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Population Variation

Total questions: 17

Worksheet time: 14mins

Name
Class
Date
1.

The study of evolution from a genetic point of view

a)

population genetics

b)

microevolution

c)

gene pool

d)

allele frequency

2.

the total genetic information available in a population

a)

population genetics

b)

microevolution

c)

gene pool

d)

allele frequency

3.

determined by dividing the number of a certain allele by the total number of alleles of all types in the population

a)

population genetics

b)

microevolution

c)

gene pool

d)

allele frequency

4.

In a population of 250 rats, calculate the gene pool for length of fur.

a)

250

b)

500

c)

1000

d)

125

5.

There are 3 T alleles and 7 t alleles in a population. Calculate the frequency of the recessive allele.

a)

30%

b)

70%

c)

10%

d)

4%

6.

Alleles that improve survival will decrease in frequency in the next generation.

a)

True

b)

False

7.

What is the frequency of the dominant allele in this population?

a)

30%

b)

50%

c)

63%

d)

37%

8.

how often something appears in a population

a)

frequency

b)

equilibrium

c)

mutation

d)

gene pool

9.

Only individuals who are aa or Aa for sickle-cell disease have resistance to malaria. In an area with malaria, what is the most common genotype?

a)

AA

b)

Aa

c)

aa

10.

Only individuals who are aa or Aa for sickle-cell anemia have resistance to malaria. In areas with no malaria, what is the most common genotype?

a)

AA

b)

Aa

c)

aa

11.
How is the blood different between someone with and someone without sickle cell disease?
a)

There are fewer RBC is a normal person

b)

There are more WBC in a normal person

c)

The RBC are disc-shaped in a person with Sickle Cell

12.

Where is hemoglobin found? What is its function?

a)

Hemoglobin is found inside of red blood cells. It's function is to carry oxygen.

b)

Hemoglobin is found inside of red blood cells. It's function is to tell cells to remove sugar from the blood stream.

c)

Hemoglobin is found inside of red blood cells. It's function is to speed up chemical reactions.

d)

Hemoglobin is found inside of white blood cells. It's function is to provide quick energy.

13.

Who is at risk for sickle cell disease?

a)

African Americans

b)

Hispanics

c)

Asians

d)

Native Americans

e)

Caucasians

14.
A mutation is?
a)
Any change in DNA
b)
Any change in RNA
c)
Any change in the genetic code
15.

What is the variation shown here?

a)

height of flight

b)

types of beaks

c)

habitat

d)

size

16.
An organism that survives longer is more likely to produce_______offspring
a)
less
b)
the same amount
c)
more
d)
no
17.
What factor describes when populations increase because animals are moving into a population?
a)
Emigration
b)
Limiting Factors
c)
Immigration
d)
Exponential Growth