Question

In a certain population of rabbits, the ratio of the phenotypes of brown fur and white fur is 1:ratio1. What is the frequency of the white fur trait in the rabbit population?(1 point)
Responses

25%
25%

100%
100%

50%
50%

1%

Kamar wants to know his mother's blood type. Kamar knows that his blood type is AB and his father’s blood type is heterozygous A. What can Kamar assume about his mother’s blood type?(1 point)
Responses

Kamar’s mother must be AB because blood type AB is inherited from one parent
Kamar’s mother must be AB because blood type AB is inherited from one parent

Kamar’s mother must be either AB or B because blood types AB is considered codominant
Kamar’s mother must be either AB or B because blood types AB is considered codominant

Kamar’s mother must be either A or O because blood type AB is considered incomplete dominant.
Kamar’s mother must be either A or O because blood type AB is considered incomplete dominant.

Kamar’s mother must be O because the recessive allele allows for Kamar to get type A from his father
Kamar’s mother must be O because the recessive allele allows for Kamar to get type A from his father

Which of the following best describes natural selection?(1 point)
Responses

The process by which organisms are separated by chance events, such as natural disasters, causing the frequency of the population to change.
The process by which organisms are separated by chance events, such as natural disasters, causing the frequency of the population to change.

When traits are determined by multiple genes and environmental factors and cannot be predicted using Punnett squares
When traits are determined by multiple genes and environmental factors and cannot be predicted using Punnett squares

The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.
The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.

When a small sample of a population leaves and establishes a new population.
When a small sample of a population leaves and establishes a new population.

The different variants of a trait available to a gene are called(1 point)
Responses

alleles.
alleles.

phenotypes.
phenotypes.

polygenic traits.
polygenic traits.

genotypes.

What is one similarity between genetic drift and gene flow? (1 point)
Responses

They are both caused by natural disasters, such as hurricanes.
They are both caused by natural disasters, such as hurricanes.

They are both caused by the migration of species.
They are both caused by the migration of species.

They both cause a change in the frequency of traits in a population.
They both cause a change in the frequency of traits in a population.

They both occur in a population by chance.

Answer 1

1) 50%

2) Kamar’s mother must be either AB or B because blood types AB is considered codominant

3) The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.

4) alleles.

5) They both cause a change in the frequency of traits in a population.