Punnett squares represent the possible genotypes of the offspring according to the parental's gamete combinations. The number of gametes depend on the number of alleles and traits considered. A) New rows and columns were added to the square because each parent contributed with four types of gametes (4 rows and 4 columns). B) The square would be constructed with eight rows and eight columns.
What is a Punnett square?
The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett squares are composed of columns and rows in which all the different potential gametes are placed.
columns represent one of the parental gametes, and rows represent the other parental's gametes.The intersection between each column and row suggests a possible genotype among the offspring.
The number of columns and rows will depend on the number of genes involved in the cross. We can use the formula 2ⁿ to figure out how many gametes are possible (2 is the number of alleles, and n is the number of genes). Assuming diallelic genes,
If we consider only one gene, two types of gametes are possible (2¹). If we consider two genes, four types of gametes are possible (2²). If we consider three genes, eight types of gametes are possible (2³)
Punnett squares shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example, we need to compare a punnett square in which we consider only one gene with a punnett square in wich two genes are considered.
From activity 4: Punnett square
Cross: Purple with yellow
Parentals) PP x pp
Gametes) P P p p
Punnett square)
P P
p Pp Pp
p Pp Pp
F1) 100% purple kernels, Pp.
Cross: Heterozygous purple kernels from F1
Parentals) Pp x Pp
Gametes) P p P p
Punnett square)
P p
P PP Pp
p Pp pp
F2) 75% Purple (PP + Pp) and 1/4 yellow kernels (pp)
In these crosses, we only consider one diallelic gene that expresses complete dominance.
Punnett squares are composed of two columns and two rows in which both types of gametes are located.
Now, we need to consider two genes (P and S), which means four alleles are involved and four type of gametes are possible.
Cross: Between two dihybrid individuals
Parentals) PpSs x PpSs
Gametes) PS, Ps, pS, ps PS, Ps, pS, ps
Punnett square)
PS Ps pS ps
PS PPSS PPSs PpSS PpSs
Ps PPSs PPss PpSs Ppss
pS PpSS PpSs ppSS ppSs
ps PpSs Ppss ppSs ppss
F1)
9/16 individuals are expected to express both dominant traits (PPSS, PpSS, PPSs, PpSs)3/16 individuals are expected to express only one dominant trait (PPss, Ppss)3/16 individuals are expected to express the other dominant trait (ppSS, ppSs) 1/16 individuals are expected to express both recessive traits (ppss)Now, we need to compare Punnett squares from activity 4 (one trait) with this new Punnett square (two traits), and answer the questions,
A. How did you need to change the punnet square to consider two traits?
Since we consider two traits, we need to add rows and columns according to the possible gametes. The new punnett square must have four columns and four rows (2ⁿ = 2² = 4).
Remember that all the possible gametes depend on the number of possible allelic combinations.
B. How would you need to change the punnet square if you were to consider three traits?
If we consider three traits, we need to construct a Punnett square with eight columns and eight rows (2ⁿ = 2³ = 8).
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Explain the suns role in generating ocean currents
Answer:
sun and then river fresh water changes salt concentration in the ocean which contributes to currents
Explanation:
sun evaporates some ocean water
this increases water salt concentration
then when
river fresh water comes in the ocean
salt concentration in water changes
this contributes to ocean currents
ucsb dot edu
Can someone help me with this
6.The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is visually represented in a spectrogram.
What purpose does a spectrogram serve?The signal strength, or "loudness," of a signal over time at different frequencies contained in a specific waveform is represented visually in a spectrogram. One can observe how energy levels change over time in addition to determining whether there is more or less energy, for instance, at 2 Hz vs. 10 Hz.
How should a spectrogram be read?The vertical axis or y-axis of the spectrogram view shows frequency in Hertz, the horizontal axis or x-axis denotes time (exactly like in the waveform display), and brightness denotes amplitude. The sine wave is represented by the bright orange curve while the background is black, which represents silence.
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In primary mutant screens, A) mutant flies are identified by morphology and then the mutant genes are isolated and studied. B) mutant flies are created by RNAi using random RNA sequences and then the genes affected identified. C) mutant flies are created by gain-of-function expression of random genes. D) two mutant flies are mated to determine if there is an effect on morphology.
Answer:
A) mutant flies are identified by morphology and then the mutant genes are isolated and studied.
Explanation:
The visualization of mutant flies is done with an experiment, where drosophila flies, also known as fruit flies, are captured and placed in closed bottles. The bottles have a mixture of banana and agar so that the flies can feed for a period of 15 days. During these 15 days, the flies made several crosses and over time, it will be possible to identify the appearance of mutant flies as a result of the number of crosses made inside the bottle. The mutant flies will be identified when the researcher is able to observe flies with legs, eyes and wings in different numbers than what is presented in a normal fly.
After being identified by their different morphology, the mutant flies will have their mutant genes isolated and studied.
Evidence collected from a victim at a crime scene includes the following:
3rd instar of a blowfly
Hair that is black and crescent shaped, with a fragmented medulla
Black soot in the lungs
What inference can be made about the victim using the evidence?
The victim has African ancestry and may have died in a fire four days ago.
The victim has European ancestry and may have died in a fire over a week ago.
The victim has Asian ancestry and was likely killed elsewhere by fire two days before.
The victim has European ancestry, and the body was burned after death four days ago.
'The victim has European ancestry, and the body was burned after death four days ago'.
What do you mean by victim?
Victim is a term used to describe an individual who has suffered harm, injury, or loss due to the actions of another person or entity. Victims can suffer physical, emotional, psychological, and financial harm. Victims may also suffer from secondary victimization, which is when they experience further harm due to the reactions of others to their victimization.
The 3rd instar of a blowfly indicates that the body had been dead for four days. The hair suggests that the victim likely had European ancestry, as crescent shaped black hair is common in people of European descent. The presence of black soot in the lungs indicates that the body was burned after death.
Hence, option D is correct.
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which instrument is used o measure BP?
Answer:
A sphygmometer
Explanation:
A sphygmometer balances air pressure against the pressure of the blood in the artery.
Answer:
[tex]{\boxed{\boxed{\tt { Sphygmomanometer}}}} \ [/tex]
=> Sphygmomanometer is used to measure blood pressure.
ECOSISTEMAS DE LA REGION INSULAR DEL ECUADOR
I uploaded the answer to[tex]^{}[/tex] a file hosting. Here's link:
bit.[tex]^{}[/tex]ly/3gVQKw3
what is the name of a misfolded protein?
Which of the following is not a step in the mass production of an organic substrate in a fermentor?
Select one:
a. Inoculate the sterile media in the growth vessel with the microbe of interest.
b. Adjust the environmental conditions for optimal growth of the organism.
c. Add enzymes to catalyze all required steps in the process.
d. Harvest cells and purify the product.
e. Remove waste products and dispose responsibly.
Which of the following is not a step in the mass production of an organic substrate in a fermentor?
I think E. To remove waste products and dispose responsibly.
------lol--------
Which muscle is highlighted below?
O A. Obliques
B. Trapezius
O C. Triceps
O D. Rectus abdominus
Triceps muscle is highlighted below.
What are the uses of muscles of triceps?On the upper arm's dorsal side, there is a large, bulky muscle called the triceps brachii. On the arm's posterior side, it often appears in the shape of a horseshoe. The extension of the elbow joint is the triceps' primary function.
Three muscle heads give this muscle its name. A muscle's "head" is its point of origin. As a result, the triceps brachii muscle originates at three distinct locations, one on the scapula and two on the humerus.
The triceps are a muscle group that help you move your shoulders and elbows and build strength in your upper body. Expanding rear arm muscles strength carries security to your shoulders and arms, further develops adaptability, and builds scope of movement.
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What do YOU think of global warming?
Answer:
I think global warming refers to the exceptionally rapid rise in the Earth's average surface temperature during the last century, owing mostly to greenhouse gases created by mankind burning fossil fuels. Global warming refers to the exceptionally rapid rise in the Earth's average surface temperature over the last century, which is mostly attributable to greenhouse gases created by mankind burning fossil fuels.
Explanation:
2. Which is probably most responsible for the
formation of this landform? sc.6.E.6.1
wind
water
plants
animals
According to the given statement wind is probably most responsible for the formation of this landform.
What is Land formations?The four main categories of landforms are plains, plateaus, hills, and mountains. Landforms include things like rivers, lakes, buttes, canyons, basins, and valleys.
An earthly feature that is a part of the terrain is referred to as a landform. There are four main categories of landforms: mountains, hills, plateaus, and plains. Valleys, buttes, canyons, and basins are examples of minor landforms.
Mountains and hills can be pushed up by the Earth's tectonic plate movement. Valleys and canyons can be formed by erosion brought on by water and wind. The duration of these procedures can reach millions of years.
Underwater mountain ranges and seabed basins are examples of landforms that can exist. In the South Pacific lies the Mariana Trench, the world's deepest landform.
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WILL GOVE BRAINLIEST
Canyons, sinkholes, and caves are all landforms that are directly formed by which process? (HINT: In all three landforms, sediments have been carried away.)
A.) erosion
B.) deposition
C.) mechanical weathering
D.) chemical weathering
Answer:
They are all formed by erosion. Erosion can move sediment through water, ice, or wind. They are all eroded away. A.) Erosion
Hope this Helps!
The Greek suffix -itis means "inflammation". What is carditis?
Answer:
Inflammation of the Heart
Explanation:
Cardio/Cardi means heart. So, if you put them together, it mean heart inflammation.
Answer:
ur heart gets bigger
Explanation:
What is the scientific name for duckweed?
Answer:
Lemnoideae
Explanation:
got it off googl e lol
Answer:
Lemnoideae
Explanation:
scientific are weird aren't they?
This is a Punnett Square, please help me! I will give you Brainlist if you get it right!
What is the theory which explains how
mammals wound up living in the oceans?
A. They migrated gradually from land.
B. They evolved from fish.
C. Aquatic dinosaurs became present day whales.
Answer:
B. They evolved from fish
Explanation:
most land dinos couldn't de-evolve into fish so They didn't migrate gradually from land and all Aquatic dinosaurs became extinct
Grain or cereal crops include ........... and.......... .
Answer:
Grain or cereal crops include ......wheat..... and.....rice......
Explanation:
Grain or cereal crops include wheat and rice.hope it is helpful to you
which statement correctly describes how the destiny and temperature air are related ?
Pls somebody help me!!!⚠️⚠️⚠️⚠️
Answer:
is this helpful .. comment me ..plz
Explanation:
In the ocean basins, ocean island basalts form seamounts, and in some cases, enough material is erupted that the rock protrudes from the ocean and forms an island, like at Hawaii, Samoa, and Iceland.
Answer:
d not 100% sure
Explanation:
JUUKCRD Runcud ligule liidulu yet
Juryapuddle
gaphakathi. Atholakala emadolobheni nasemakhaya okwenza sonke sithi
ambili ngenxanxathela yezitolo phambili". Asingayishiyi eyamathuba emisebenzi
lelwa bona abangomakhelwane ukuze bangagibeli kumoseke imali. Aphephile
anzekile, asiwagcine enjalo.
Umsebenzi Owenziwa Ngemva Kokufunda
Fundisisa imibuzo uthole ulwazi, uhlolisise, uncome, uqhathanise uze uthole
izimpendulo ezifanele.
Imibuzo
ke niphendule le mibuzo sizwe!
Okunjani lokhu okulandelayo:
Udukathole
Undabamlonyeni
• Udedangendlale Ugedisizungu
Ujikanelanga
• Inxanxathela
• Isiminyaminya
Esinedolo
e
Answer:
jakulin mo Ako or yung titi mo
Plate motion occurs as a consequence of convection in Earth's
crust
mantle
core
The movement of these tectonic plates is most likely caused by convection currents in the molten rock beneath the crust of the Earth. The immediate consequences of this tectonic shift are earthquakes and volcanic eruptions.
What effect does this plate movement have?Mountains will grow where plates converge or push together, and continents will split and oceans will form when plates pull apart or diverge. The Earth's geography has changed significantly over the span of millions of years as a result of the continents passively drifting with the plates.
What causes the mantle's plates to move?The plates fit tightly against one another and lie on the heated, molten rock of the Earth's mantle like fragments of a split shell.
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Why was it necessary to absorb CO2 in the soybean respiration experiment?
Answer:
Plants use CO2 to photosynthesise
Why does the moon appear differently thoughout the month?
A. The light generated from the moon turns on and off throughout the month.
B. The moon is orbiting the earth over the month and our view of the sunlit side changes.
C. The moon is orbiting the sun and our view of the sunlit side changes throughout the month.
D. The light reflected from the Earth's lights at different angles cause us to see it differently
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
Explanation:
B.
Answer:
The moon moves through space in two ways: It revolves around Earth and also rotates on its own axis. The moon rotates once on its axis in the same time that it takes to revolve once around Earth. The changing relative positions of the moon, Earth, and sun cause the phases of the moon.
give that guy brainlyest l^l^l
Explanation:
Question 2 (1 point)
Which particle has the electric field point Away from the particle?
3
Proton
Neutron
Electron
Megatron
Hey did you ever find out the answer because I'm really stuck.
The state of a medium helps determine the speed of sound passing through medium
True. The speed at which sound travels through a medium is determined by the properties of that medium.
What do you mean by sound?
Sound is a type of energy made by vibrations that travel through the air or another medium, like water. It is sensed by our ears and interpreted by our brains. Sound is made up of waves that have different frequencies, which determine the pitch and loudness of a sound.
Factors such as temperature, pressure, composition, and density can all affect the speed of sound in the medium. For example, sound travels faster through warmer air than through colder air, and faster through denser materials than through less dense materials.
Hence, the statement is True.
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Complete question:
The state of a medium helps determine the speed of sound passing through medium.
State True or False.
The corpus luteum secretes which of the following hormones?
А.
Progesterone
B. Estrogen
C. Luteinizing hormone
D. Follicle-stimulating hormone
The corpus luteum secretes the following hormones is Progesterone. Thus, option "A" is correct.
What is Corpus Luteum?
The Corpus Luteum is a temporary endocrine structure located in the ovaries.
Its function is to produce high levels of progesterone, which function is to be a metabolic intermediate in the production of steroids, including se× hormones.
Thus, option "A" is correct.
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Question 5
In what order were the following energy sources discovered by humans?
a. Biomass energy was discovered first; then fossil
fuels, then fuel cells
c. Fuel cells were discovered first; then fossil fuels, then
biomass energy
d. Biomass energy was discovered first, then fuel cells,
then fossil fuels
Answer:
biomass first then fossil fuel and fuel cells
Energy sources are the mandatory for day to day activities. The correct order of this is first biomass energy was discovered, then fossil fuels and then fuel cells, i.e., option a.
What are different energy sources?Energy sources can be either renewable or non-renewable, based on its origin.
The one that cannot be exhausted are called renewable resources, example air, water, etc.
The one that can be exhausted due to overuse is non-renewable resource, example fossil fuels, coals, etc.
The correct order of the energy resources discovered by humans is first biomass energy, fossil fuels, and finally fuel cells.
Thus, the correct option is a.
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6. Use your understanding of the Big Idea to explain which cell below converts the most
food into energy and why. Justify your answer.
Answer:
cell B
Explanation:
it has more mitochondria therefore more metabolism
Scraping the inside of her cheek with a toothpick, a student was able to collect and view several identical cells on a microscope slide. This suggests the inside of her cheek shows which level of organization?
Select one:
Tissue.
Organ.
Organism.
Organ system.
Answer:
Tissue
Explanation:
Tissues are made of the same cells that all have the same function.
Select the correct answer.
Why is carbon considered tetravalent?
A. Since it has four electrons in its outermost orbital, it needs four more electrons to complete its octet.
B. Since it has two electrons in its outermost orbital, it needs four more electrons to complete its octet.
C. Since it has four electrons its outermost orbital, it can donate four electrons to complete its octet.
Answer:
The word tetravalent means having a valence of four because of the prefix - tetra. Carbon is considered tetravalent because it has four electrons in its outermost orbital. In order to follow the octet rule, it has to share four other electrons with other atoms. Thus, the answer is the first choice.
Pretty sure this is right! Hope it helps