Allele Frequencies and Phenotypes in Rock Pocket Mice

Allele Frequencies and Phenotypes in Rock Pocket Mice

Assessment

Interactive Video

Biology, Mathematics, Science

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores the concept of allele frequencies in rock pocket mice, focusing on calculating the frequencies of dominant and recessive alleles (P and Q) using the Hardy-Weinberg principle. It provides step-by-step solutions to example problems, demonstrating how to determine the frequency of heterozygous genotypes and calculate allele frequencies in different population scenarios. The tutorial emphasizes understanding the relationship between phenotypes and genotypes, and how to apply mathematical formulas to solve genetic problems.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two phenotypes of rock pocket mice discussed in the video?

Striped and spotted fur

Large and small ears

Dark and light fur

Short and long tails

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a population of 100 rock pocket mice, 81 have light fur. What is the frequency of the recessive allele (Q)?

0.1

0.9

0.5

0.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the population is heterozygous if P is 0.1 and Q is 0.9?

9%

1%

81%

18%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a population of 16 rock pocket mice, 4 have light fur. What is the value of Q?

0.75

0.1

0.5

0.25

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the frequency of P in a population is 0.6, what is the frequency of Q?

0.6

0.4

0.8

0.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a population of 1,000 rock pocket mice, 640 have light fur. What is the frequency of the recessive allele (Q)?

0.6

0.8

0.4

0.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the population is homozygous dominant if P is 0.2?

40%

4%

20%

16%

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