A woman heterozygous for polydactyly (extra fingers and toes), a dominant trait, is married to a normal man. What is the probability of producing an offspring that has extra fingers or toes?
Answers
Answer:
The correct answer is -50%
Explanation:
Polydactyly is a dominant trait where a person gets an extra finger or toes the dominant allele is represented by P = allele for polydactyly, and the recessive allele represented by p = normal allele
So, the heterozygous woman will be - Pp & the normal man will be - pp. The presence of one allele of polydactyly will be able to show its effect as it is dominant.
Cross between heterozygous woman & normal man:
Gametes:
P p
p Pp (Show polydactyly) pp (Normal phenotype)
p Pp (Show polydactyly) pp (Normal phenotype)
From the above Punnett square, the probability of an offspring that has extra fingers or toes will be 1/2 or 50%.
Polydactyly is a condition that occurs wherein individuals have more than the normal amount of fingers and toes. It is also a genetic condition and as well heritable.
The probability of producing an offspring with extra toes or fingers in a cross between an heterozygous and a normal is 50%.
Let P represent the dominant and p the recessive
Pp (heterozygous) and pp (normal)
(woman) P p
(man) p Pp pp
p Pp pp
50% 50%
Therefore, the probability of producing an offspring with extra toes or fingers (Pp) is 50%.
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Related Questions
What is missing from the venn diagram PLEASE HELP!!
Answers
Answer:
Esta es mi respuesta quizá hay respuestas que difieran de la mía .
Bueno tus diagramas son mas de euler que de venn, por que les falta el conjunto universo. pero bueno para lógica matemática nos sirven ambos.
A ver:
Para representar por Compresión, expresamos la principal característica global que define a los elementos del conjunto con simbología o escritura.
Para expresar por Extensión se ponen todos los elementos del conjunto.
Para tu ejercicio:
a)
Extensión
A={ 1 ; 4 ; 5 ; 12 }
B={4 ; 8 ; 12}
Compresión
x / x ∈ AUB ⇔ x∈A ó x∈B
b)
Extensión
A={10,5,14}
B={5 ; 14}
Comprensión
x / x ∈ A ⇔ B⊂A ⇒ x ∈ B
c)
Extensión
A={8 ; 9}
B={5 ; 15}
Comprensión
x / x ∈ A ⇔A⊄B
x / x ∈ B ⇔B⊄A
Explanation:
During digestion, carbohydrates are converted by enzymes into what?
Answers
Answer:
monosaccharides
Explanation:
Carbohydrate metabolism begins in the mouth, where the enzyme salivary amylase begins to break down complex sugars into monosaccharides.
During digestion, carbohydrates are converted by enzymes into simple sugars, specifically glucose.
Enzymes involved in carbohydrate digestion, such as salivary amylase and pancreatic amylase, break down complex carbohydrates, such as starch and glycogen, into their constituent monosaccharides, predominantly glucose.
This process is known as hydrolysis, where water molecules are used to break the chemical bonds between sugar molecules, resulting in the release of simpler sugar units. The glucose molecules produced through carbohydrate digestion can be further absorbed by the intestinal cells and utilized as a source of energy by the body.
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true or false Photosynthesis uses water and carbon dioxide to make glucose
Answers
Answer:
true
Explanation:
there isnt really much to explain so true.
Energy in the chemical bonds of carbon-based molecules is restored or absorbed
Answers
Answer:a
Explanation:a
According to the law of conservation of energy, energy in chemical bonds of carbon based molecules is restored as energy is neither created nor destroyed.
What is law of conservation of energy?According to law of conservation of energy, it is evident that energy is neither created nor destroyed rather it is restored at the end of a chemical reaction .
Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.
Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.
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it is a test please help
Which organ is not connected to its system?
a) Spinal cord – Nervous system
b) Large intestine – Digestive System
c) Testes – Reproductive system
d) Kidney – Circulatory system
Answers
Answer:
d.Kidney
Explanation:
kidney is urinary system
I NEED HELP ASAP I WILL GIVE 50points and BRAINLIEST if ur answer is correct ( first come first serve)
The steps of the action potential are listed below in random order.
A. The nerve impulse moves down the axon.
B. The inside of the membrane becomes positive, and the outside becomes negative.
C. A stimulus is received by the dendrites.
D. The membrane has a resting potential that is positive on the outside and negative on the inside.
Which of the following lists the steps in the correct order?
A, B, C, D
D, C, B, A
B, C, A, D
D, A, B, C
Answers
Answer:
D, A, B, C is correct answerD, A, B, C is the correct order for the steps of action potential.
Neurons sends the information down the an axon.Action potential is an explosion of electrical activity that is created by depolarizing current.What is action potential?It occurs when the membrane potential of a specific cell location rapidly rises and falls.The depolarization then causes adjacent locations to similarly depolarize.There is a rapid sequence of changes in the voltage across a membrane.
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Regulating body temperature is important for animals to maintain homeostasis. One way humans do this is through sweating. Horses are one of the few animals that also sweat to cool themselves. What does this common homeostatic mechanism indicate about humans and horses? A. They evolved the trait simultaneously . B. They are the two species that regulate body temperature . C. They share a common ancestor . D. They evolved in different environments .
Answers
Answer:
The answer is option C "They share a common ancestor"
Explanation:
Homeostasis can simply be defined as the processes which animals needs to undertaken or the conditions animals exhibits to maintain a balanced or stable condition in the body system that are significant for the survival of the animal.
One of the ways animals maintain a stable state is regulating the body temperature through sweat and this process is peculiar to both Humans and Horses because the share a common ancestor considering Homeostasis to be a mechanism for evolution.
Which mineral has the same chemical composition most similar to andalusite, sillimanite, and kyanite?
Answers
Answer:
aluminum silicate minerals
Explanation:
Aluminum silicate minerals has the same chemical composition most similar to andalusite, sillimanite, and kyanite.
What is chemical composition?Chemical composition is defined as any substance made up of similar molecules made up of atoms from two or more chemical elements.
It can also be defined as a scientific symbol used to show the number and kind of atoms in a molecule.
Chemical composition containing basic components such as carbon, hydrogen, and oxygen which are very important for development and growth of human life.
Human body mainly consist of six important elements which help in growth and development. They are Carbon, oxygen, hydrogen, nitrogen, calcium and phosphate.
Thus, aluminum silicate minerals has the same chemical composition most similar to andalusite, sillimanite, and kyanite.
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identify the types of mutation depicted ggc to gga
Answers
Answer:
When there is a mutation in the DNA nucleotide sequence where GGC passes into GGA, the mutation is a point mutation of the silent type.
Explanation:
A point mutation of DNA, where the cytosine nucleotide is changed to adenine, GGC to GGA, the resulting triplet mRNA is CCU, instead of GCC.
Codons CCG and CCU encode the same amino acid, which is proline (Pro), so despite the existence of a mutation, the protein that is synthesized will not have alterations in its number or sequence of amino acids.
Silent mutations are characterized by changes in a nucleotide in the DNA base sequence that do not affect changes in the coding protein, as happens in the change of GGC to GGA.
PLEASE HELP ME BRAINLY IF CORRECT!!!!!! PLEASE
The rock shown below has a layering of black and white
bands. The light bands and dark bands contain different
mineral crystals.
In what type of environment did this rock sample most likely form?
A. At the bottom the ocean
B. Just below Earth's surface, near an active volcano
C. Aboveground
D. Deep below ground, after being exposed to extreme heat and pressure
Answers
D. deep below ground, after being exposed to extreme heat and pressure
Answer:
It D. Deep below ground, after being exposed to extreme heat and pressure
Explanation:
I hope it helps
IF your confued with the other one.
Nothing hard its just science
Answers
Answer:
CHEMICAL????
Explanation:
Answer: Woah hold up their PAL! the answer would be C. Chemical energy or heat energy I think :-)
Explanation:
After his initial reaction, Mr. Evil has some time to think. He calls you on the phone with a new plan. “OK,” he says. “I don’t need to be able to tunnel to the bank today, but I need to be able to do it within the next 30 years. I have access to a house that is much closer. I need to know if it will be close enough.” What do you need to know in order to answer him? Under what conditions would this new property be close enough to the bank?
Answers
Answer:
So he is asking, abstractly, from lack of context, if his house is close enough to the bank?
This makes little sense, abstractly. I mean, does he live in a post-apocalyptic Mad Max setting where he needs explosives and men or perhaps a frozen-over world where he needs large steam-powered engines to drill through the permafrost? It makes little substantiated sense.
So you need to know how much money he has, his charisma level, and the setting of the plot.
If the property is next to the bank, then it would be, by far, close enough to the bank.
Explanation:
What organisms complete the process of photosynthesis?
Answers
Answer:
plants
Explanation:
because in group of living things there is plants and animals , plants have chrolophyll and animals don't have chrolophyll
Supply-and-Demand Schedule for Cell Phones Price of Cell Phones Quantity Supplied of Cell Phones Quantity Demanded of Cell Phones $25 0 500 $50 200 450 $100 300 300 $150 400 250 $200 500 0 In the supply-and-demand schedule shown above, at the prices of _____ and _____, there is excess supply because quantity supplied is greater than quantity demanded. $25, $50 $25, $200 $150, $200
Answers
Answer:
$150, $200
Explanation:
A schedule that shows relationship between quantity supplied and quantity demanded is used to estimate the equilibrium quantity and price where there is a balance between the buyer's willingness to buy and the seller's willingness to sell.
Below this equilibrium point there is excess of quantity demanded over limited supply.
Above equilibrium there is excess supply and less demand.
According to the given schedule the equilibrium price is $100 where demand and supply are both 300 units.
The prices at which there are excess supply is given below
At $150 400 units is supplied against 250 units demanded
At $200 500 units are supplied against 0 units demanded
1.
In the early 1900s, Thomas Hunt Morgan was among the first scientists to contribute to the chromosome theory of heredity. Morgan’s investigations into heredity in fruit flies led him to propose that the event represented in the diagram sometimes occurs.
Which statement about the event represented in the diagram is valid?
Answers
Answer:
"The genes for all organisms are composed of the same building blocks"
Explanation:
The statement about the event presented in the diagram sometimes occurs - D. The event provides genetic diversity in eukaryotic cells.
The given event in the diagram is known as crossing over which takes place during the process of meiosis.
Crossing over takes place during the pachytene stage of Prophase I of Meiosis I where the non-sister chromatids of homologous chromosomes exchange genetic material
this results in the recombination of the genetic material and creates a new genetic combination.
Thus, genetic variations occur which can be beneficial to the offspring.
Thus, the statement about the event presented in the diagram sometimes occurs - D. The event provides genetic diversity in the eukaryotic cell.
Nucleus is to cell as____is to organism
Answers
Answer: Nucleus of an animal cell
The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes
Explanation: big brain
What do you notice about the products of cellular respiration compared to the reactants of photosynthesis?
Answers
Answer:
vgvgjvgjvgjbjhj
Explanation:
Answer: the product for photosynthesis is the reactant for cellular respiratio. The equation is just flipped around.
Explanation:
Put the last 6 (Creep to Avalanche) in order from Fastest to Slowest.
Answers
Answer:
creep, solifluction, slump, earthflow, mudflow, debris avalanche, rockfall
Explanation:
Mass movement also known mass wasting is the motion of rock, regolith (loose mixture of soil and rock particles that covers the earth's surface), snow, and ice down a slope. Based on increasing speed of movement, the given mass movement processes are as follows:
Creep- this a very slow, usually continuous movement of regolith down slope.
Solifluction - this is a sediment flow. A sediment flow is a mixture of rock, regolith with some water. The rate solifluction is measured in centimeters per year. It occurs at a faster rate than than creep.
Slumps - is a type of mass movement whereby there is a downward rotation of rock or regolith along a curved surface producing depressions or scars on the slope. It occurs at a faster rate than solifluction.
Earthflows - they usually occur with heavy rains and occur at a much faster rate with velocities between several centimeters per year and hundreds of meters per day.
Mudflows- are a highly fluid mixture of sediment and water which usually result from heavy rains in areas where there is an abundance of loose sediment. These sediments are picked up by flowing streams of water. Mudflows occur at high velocities and can travel long distances.
Debris Avalanches - These are very high velocity mass movements that result from the complete collapse of a mountainous slope. Earthquakes and volcanic eruptions usually cause debris avalanches. Avalanches involving snow only is known as snow avalanches.
Rock Falls - Rock falls occur when a piece of rock which may be large or small on a steep slope comes loose and falls down the slope. On its way down it may dislodge other rocks which also fall down the slope. Rock falls are the fastest of the six types of mass movements stated.
Suppose you try to heat your house using a fireplace in one of the rooms. Would a fan be helpful?
Answers
Answer:
Yes it will
Explanation:
If You Have a Fireplace or Wood-Burning or Pellet-Burning Furnace. First, if you also have forced air, turn the fan on to help circulate heat. Make sure your ceiling fans rotate clockwise so they pull cool air up off the floor and push warm air down. And also keep them running at their lowest speed.
hope this helped! :)
can someone help???
Answers
Answer:
Prophase
Explanation:
What organelles have evolved through endosymbiosis?
Answers
Answer:
mitochondria and plastids
Explanation:
your welcome :D
The sudden twisting of a joint beyond its normal range of motion, causing a temporary subluxation, is called a:
Answers
Answer:
Sprain
Explanation:
A sprain occurs when a joint is weakened by the advent of some mechanical forces which cause twisting of the joints. This results in partial dislocation of one of the bones at the joint. The effect of strain can range from mild to severe depending on the amount of damage that is being caused at the joint region.
PLZZZ HELP ME !! I will give brainlyest !!!!!
Answers
1.This is a point mutation where thymine(T) has been replaced with adenine(A) in the DNA.
2.In the messenger RNA the codon will be changed Adenine(A) is replaced with uracil(U)
3.The changed codon will cause a different amino acid to be placed. Glutamic acid is replaced with valine. This replacement will cause the protein to be deformed and have an altered function.
HELP
2. What is a dominant allele? What is a recessive allele? Give an example of each.
Answers
Answer:
Dominant allele: A dominant allele is a variation of a gene that will produce a certain phenotype, even in the presence of other alleles. A dominant allele typically encodes for a functioning protein. ... When a dominant allele is completely dominant over another allele, the other allele is known as recessive.
Recessive allele: A recessive allele is a variety of genetic code that does not create a phenotype if a dominant allele is present. An allele is a specific variation of a gene, or specific segment of DNA. ... Different alleles produce slightly different proteins, which function in different ways.
The fertilized egg (zygote) of a human contains how many chromosomes?
Answers
Answer:
23 chromosomes from father
23 chromosomes from mother
46 chromosomes in total
What is the purpose of the cell cycle checkpoint?
1)to send damaged cells to their death
2)to signal that repair of cells must occur
3)to force DNA to replicate
4)to force the cell to continue to grow
5)all of the above
Answers
Answer:
i guess it's 4 but not sure
WILL MARK BRANLIEST
The one marked in red dont do im asking for 7
WILL MARK BRANLIEST
Answers
umm i thing c if not i so very sorry but i will edit it and you have my word
Answer:
It would be B || I was the first one to say B.
Explanation:
In the picture, it shows plants, deer that eats grass and other trees and stuff. Plants are called autotrophs because they can use energy from light to synthesize, or make, their own food source. Many people believe they are “feeding” a plant when they put it in soil, water it, or place it outside in the Sun, but none of these things are considered food.
List and explain 3 mutations that allow cancer cells to occur
Answers
Answer:
Germline mutations, Chromosomal alterations and Point mutations.
Explanation:
Mutations in genes is responsible for causing cancer because it accelerate rate of cell division or inhibiting normal controls. Germline mutations, Chromosomal and Point mutations are the three types of mutations which causes cancer cells to develop. Germline mutations causes inherited cancer because the mutations occur in sex gametes means cancer disease inherited from parents to offspring while Chromosomal and Point mutations occur in the body not in the sex cells.
please? someone help me with this. Is the land abiotic or biotic?
Answers
Answer:
Land is abiotic because it is not living.
Explanation:
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