Genetics and Mouse Traits

Genetics and Mouse Traits

Assessment

Interactive Video

Biology

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial for Activity B focuses on understanding how alleles determine fur color. It introduces the concept of alleles, genes, and DNA, explaining how inherited traits are encoded. The video discusses genotype and phenotype, using a Gizmo activity to demonstrate how different alleles affect mouse fur color. It explains dominant and recessive alleles and guides students through predicting offspring genotypes using a breeding simulation.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of this video?

How to breed mice

The history of genetics

The structure of cells

How alleles determine fur color

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the structure of DNA described as?

Double helix

Triple helix

Quadruple helix

Single helix

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if an organism is homozygous for a trait?

It has two different alleles for a trait

It has two identical alleles for a trait

It has no alleles for a trait

It has three alleles for a trait

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the genotype of a black mouse in the gizmo?

Capital F capital F

Capital F lowercase f

Lowercase f lowercase f

Lowercase f capital F

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which allele is dominant for fur color in the mice?

Neither is dominant

Both are equally dominant

Capital F

Lowercase f

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be true for a mouse to have white fur?

It must have no alleles

It must have one lowercase f and one capital F

It must have two lowercase f alleles

It must have at least one capital F

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the possible genotypes of offspring from two heterozygous parents?

Capital F capital F, capital F lowercase f, lowercase f lowercase f

Only lowercase f lowercase f

Only capital F capital F

Only capital F lowercase f

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