In a hypothetical population of 1,000 people, tests of blood-type genes show that 165 have the genotype AA, 470 have the genotype AB, and 365 have the genotype BB.

i need help finding the chi square value and please explain how u did it, can someone also explain this p value null hypothesis?

Answers

Answer 1

Answer:

p^2 + 2pq + q^2 = 1

0.16 + 0.48 + 0.36 = 1 (from the question)

hence, q^2 = 0.36

then, q= square root of 0.36

          = 0.6

Explanation:

self explantory

please give 5 star


Related Questions

3. What is the approximate surface temperature of the sun?

Answers

Answer:

about 5800 kelvin

Explanation:

From the solar spectrum, we can infer that the surface temperature of the Sun is about 5800 kelvin, or 5527 degrees celsius.

What would happen if cytokinesis did not occur?

Answers

Answer:

Cytokinesis takes place in both meiosis and mitosis and performs the separation of he cell in half and form one nucleus into each daughter cell.

If cytokinesis did not happen, it will from multinucleated cells which means that their will be multiple nuclei in single cell and cell will not get separate in half, and no new daughter cells will form.

Word bank
fossils
rock cycle
sedimentary
evidence
metamorphic
carbon cycle
erosion
nitrogen cycle

Question 1
Rock containing ____
that are thousands of years old provides ____
for the long history of Earth and its changing life forms.

Answers

A- erosión and then evidence NOT fossils

Meiosis occurs only in germ cells

True or False?​

Answers

Answer:

False

Explanation:

Meiosis only occurs in reproductive cells, also known as sex cells.

HELPP!! I DON'T UNDERSTAND IT!! LOTS OF POINTS!! WILL REPORT IF RANDOM AND UR POINTS WILL BE TAKEN!! PLEASE HELPP I BEG OF YOu!!!


20. TEST LIKE PROBLEM (CHALLENGE) The light-colored, pale-camouflaged butterfly and the dark, brown-camouflaged butterfly are surviving very well in the Gwinnett forest. The medium, green-camouflaged butterfly is not having the same type of luck. The brown-camouflaged butterfly can blend into the brown trees. The pale-camouflaged butterfly can blend into the light yellow fall leaves. Over the years, the brown and pale butterflies have many, many babies. The green-camouflaged butterflies die off. What type of Natural Selection is taking place?

a Disruptive Selection

b Directional Selection

c Stabilizing Selection

d None of the above


21. TEST LIKE PROBLEM (CHALLENGE) Koala bears are beautiful animals that live in the hot sun of Australia. The koala bears with thick fur have problems surviving (they are too hot from the sun). The koala bears with light fur are having many babies. The koala bears with medium fur are also having problems because they are too hot. The medium fur koala bears are not having many babies. What type of Natural Selection is taking place?

a Disruptive Selection

b Directional Selection

c Stabilizing Selection

d None of the above

Answers

20 is B and 21 is C.

Which of the following statements concerning diffusion and active transport is correct?
Time R
Attempt
11 Min
Active transport requires cell energy while diffusion does not
Both diffusion and active transport require cell energy
Diffusion requires cell energy while active transport does not

Answers

Active transport does diffusion doesn’t

The correct statement concerning diffusion and active transport is - Active transport requires cell energy while diffusion does not.

Active transport is the transport of substances or molecules against the concentration gradient in the cell through the membrane.

As it moves against the concentration gradient it requires energy to perform such movement.This process gets energy from the powerhouse of the cellIt is a unidirectional movementit is a selective process.

Diffusion is the process where the movement of the solvent takes place according to the concentration gradient. It does not require energy and is a non-selective process.

Thus, the correct answer is - Active transport requires cell energy while diffusion does not.

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What is:

-Biology
-Chemistry
-Physics​

Answers

Biology is a branch of science that deals with living organisms and their vital processes.

Chemistry is the science that deals with the properties, composition, and structure of substances

Physics is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force

URGENT!!! 30 PTS!! PLS HELP!!!

Answers

Answer:

GgSs, Ggss, ggSs, ggss

50% green, 50% striped, 50% long

Explanation:

due to dominance and heterozygous its a 1;1 ratio

making a punned square and dividing traits equals half dominates half recessive.  

That person is right ^^

Natural selection can occur as a result of...

o genetic variation in species
o asexual reproduction in species
o competition for unlimited resources
o the gradual warming of earth​

Answers

Answer:

a

Explanation:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

Answer:

Genetic variation in species

Explanation:

Natural selection is based on the idea of differential survival and reproduction. Basically this means there are genetic differences between individuals and there are too many individuals in the population to survive. The ones with the best genetic variations will survive and pass their genes on to their offspring. This doesn't happen if all organisms in the population are identical - either they all die, or they all survive.

22.what products of photosynthesis and reactants for respiration belong in the box to complete the cycle?


A -hormones
B -chlorophyll a and chlorophyll b
C -ATP AND ADP
D -glucose and oxygen

Answers

Answer:

Glucose and Oxygen hope that helps.

Explanation:

The box in this question is likely referring to the carbon cycle, which is a cycle of biochemical reactions that involve the transfer of carbon between different forms in the environment. The products of photosynthesis and reactants for respiration that belong in the box to complete the cycle are glucose and oxygen.

What is photosynthesis ?

Photosynthesis is the process by which plants use energy from the sun to convert carbon dioxide and water into glucose and oxygen. This glucose is then used by the plant for energy, and the oxygen is released into the atmosphere.

During respiration, the glucose is broken down in the presence of oxygen to release energy, which is then used by the plant for its various functions. The end products of respiration are carbon dioxide and water. Chlorophyll a and chlorophyll b are both types of pigments found in plants that are essential for photosynthesis.

They absorb energy from the sun and help convert carbon dioxide and water into glucose and oxygen. Hormones, on the other hand, are molecules that are produced by the plant to regulate its growth and development.

They are not directly involved in the carbon cycle. Finally, ATP and ADP are molecules that are involved in the transfer of energy within a cell. They are not directly involved in the carbon cycle, but they are essential for respiration as they help to break down glucose and release energy.

In summary, the products of photosynthesis and reactants for respiration that belong in the box to complete the cycle are glucose and oxygen.

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If your body gets too cold, then your muscles start to shiver, which helps raise body temperature *

True or False?

Answers

Answer:

True

-----------------

Because skeletal muscles to bring about rapid contractions that generate heat.

the correct progression of organisms on the planet?

Answers

Answer:

The correct progression of organisms on the planet is the ediacaran fauna-reptiles-mammals.

Explanation:

How do oxygen and glucose molecules release energy in the cells? please make it simple

Answers

Answer:

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released. In cells use oxygen to release energy stored in sugars such as glucose. In fact, most of the energy used by the cells in your body is provided by cellular respiration.

Explanation:

i tried my best to break it down into a simple explanation. hope this isn't too complicated, and i hope it helps!! have a nice day.

-KindnessMatters-

The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would create stable population?(1 point)

natality + immigration = mortality + emigration

natality + immigration = mortality - emigration

natality + mortality = immigration + emigration

natality - immigration = mortality + emigration

Answers

Question: "The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would create stable population?"

Answer: "The equation that would best create a stable population would be natality - mortality = immigration - emigration. Hope this helps!"

Population Change = (Natality - Mortality) + (Immigration - Emigration), with the best equation being "natality + immigration = mortality + emigration," with natality being the birth rate and mortality being the death rate (first equation).

What is the significance of the population change?

Population change is significant as it explains the growth of the population and shows the pattern of the growth and the stability of the population. It represents a population that is in a state of balance and this balance is only achieved in the population when the number of people being born (natality) is equal to the number of people dying (mortality) and the number of people entering the population (immigration) is equal to the number of people leaving the population (emigration).

Hence, population Change = (Natality - Mortality) + (Immigration - Emigration), with the best equation being "natality + immigration = mortality + emigration," with natality being the birth rate and mortality being the death rate (first equation).

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Vertical ocean circulation is generated by
A. cold and dense ocean water sinking and warm and less dense water rising.
B. warm and dense ocean water sinking and cold and less dense water rising.
C. cold and dense ocean water rising and warm less dense water sinking.
D. the Coriolis effect.
E. prevailing winds.

Answers

Answer:

B. maybe I dont know but can you help me with dna

Answer:

B

Explanation: i have done this before

What is a template for a rna sequence

Answers

Answer:

carries information from the nucleus to the ribosome

Explanation:


The forearm of all of these
animals are considered
homologous structures. Why?
A. They develop from the same embryonic
tissue.
Human
Bird
B. They are the most important sets of
bones.
C. They have no current use.
D. These animals do not share a common
ancestor.

Answers

Answer: its A

Explanation:

They have no current use, because they were passed down from a common ancestor, homologous structures are those that are comparable in related organisms, hence option C is correct.

What is homologous structures?

The descendants of these structures may or may not carry out the same purpose. Tetrapods' four limbs are an illustration of homologous features. All four limbs are present in birds, bats, mice, and crocodiles.

Bony fish such as sharks do not. Tetrapods evolved four limbs, and their descendants have carried on this trait.

As a result, the presence of four limbs is a homology. The upper arm of both humans and cats consists of just one bone, which we refer to as the humerus, and two forearm bones, the radius on the more medial side and the ulna on the more lateral side.

Therefore, option C is correct.

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Trans fats are created when oil is changed to a solid by
what process?
Hydrogenation
Lipids
Carbohydrates
Phytochemicals

Answers

The process is called hydrogenation:)

Choose the statement that best describes a hypothesis.
Select one:
O a. A guess about something that might happen in an experiment.
O b. An educated guess about something that might happen in an experiment.
O c. A prediction about something that might happen in an experiment.
d. An explanation about something that might happen in an experiment.
Check

Answers

Answer:

B: An educated guess about something in an experiment.

Explanation:

A hypothesis is when you take information you already know and make an assumption to what you think will or won't happen.

Please I need help on this​

Answers

Answer:

4

Explanation:

Answer:

C. 4

The mouse, deer, rabbit, and raccoon all eat the producers

Which of the following organisms is a tertiary consumer?

O frog
O redwood tree
O great white shark
athlete's foot fungus

Answers

Answer:

Great White Shark

Explanation:

The great white shark is top of the food chain. The fungus is the bottom of the food chain with the decomposers. The redwood tree is the Primary consumer sense it gets its needs from the sun and the nutrients from the ground. Lastly, the frog is the fourth of the food chain with the Carnivores, secondary consumers.

What will most likely happen to the population of moths in this habitat?
O The population of moths will eventually become extinct.
O The population of light moths will increase due to a selective pressure.
The dark colored moths will experience disruptive selection.
O The alleles that determine light and dark color in moths will equalize.

Answers

Answer:

B

Explanation:

Branliest pls

What is an example of an abiotic factor of an aquarium environment

Answers

Answer:

Biotic: fish, plants, algae, bacteria. Abiotic: salt, water, rocks, sediment, trash.

Explanation:

Answer:

water salinity, oxygen levels, pH levels, water flow rate, water depth and temperature.

Explanation:

Which of these can be found in RNA but not DNA

Answers

Answer:

r u on edg

Explanation: if its edg i know it

What are 20 things that are found today on earth that demonstrate our connection to stars?

Answers

Answer:

Explanation:

telliscope moon rock mars rock sky and 1 1 1 1 1 1 1 1 1 1 2n3ehd ok i cant delteat that the next thing s books and of coruse the sun and also t

describe some of the ways that non-specific immune responses are used to prevent infection and to speed up healing.

Answers

Answer:

read below

Explanation:

specific defence system

white blood cells can do  3 things = they engulf the microbe, produce antitoxins, produce antibodies to neutralise microbe

> all cells carry a small protein on their surface called antigens

> every cell has a different shaped antigen

     > also meaning if lets say a virus mutates its antigen will change shape

so there are 2 types of antibodies that help fight pathogens together

1) lymphocytes : recognise antigen and make a complementary antibody to fit the antigen this will neutralise the pathogen ( basically seals the whole pathogen with antibody meaning it cannot reproduce or produce toxins if bacteria) and ALSO THEY MAKE THE PATHOGEN BIND TOGETHER so that the phagocyte can kill more pathogen at once

2) phagocytes : do not produce antibodies. and they identify the antigen and ingest and destroy the pathogen 70% of white blood cells are phagocytes

fighting diseasesphagocytosis = process of phagocytes destroying pathogenantitoxins producedantibodies producedmacrophages = specialised cell involved in destruction of pathogennon specific defence system

skin

tears

hydrochloric acid

mucus

cilia

Which phase is pictured?

Answers

Answer:

metaphase of mitosis

Explanation:

have a nice day and stay safe c:

It’s in Prophase because it’s the stage where the chromosomes seem to be condensed, and the nuclear envelope begins to disappear. I hope this helped

an ecosystem is a community of living organisms and their environment within...

Answers

Answer:

An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms.

Im not really sure how to answer your question but I hope this helps.

An ecosystem is a community of living organisms and their environment within

Describe 3 places that radiation is absorbed?
I need help
it's for science class

Answers

About 23 percent of incoming solar energy is absorbed in the atmosphere by water vapor, dust, and ozone, and 48 percent passes through the atmosphere and is absorbed by the surface. Solar energy is radiation btw

Why are coral reefs overexploited???

a. Coral is an important food resource.

b. Coral and its organisms are valuable commodities in the aquarium industry.

c. Coral reefs inhibit recreational activities.

d. All of the above

Answers

Answer: B. Coral and its organisms are valuable commodities in the aquarium industry.

Explanation: Good luck! :D

Answer:

B

Explanation:

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