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Genetics Unit Review

Authored by Jennifer Chesnut

Biology

10th - 12th Grade

Used 4+ times

Genetics Unit Review
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67 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Two blue butterflies met on a daisy. They are both heterozygous for their blue (B) wing color, which is dominant over yellow(b) wing color. Create a Punnett square to show the possible results of their offspring. 7.L.4A.3

What are the chances of baby butterflies with blue wings?

25%

75%

100%

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

1. In Mendel’s famous experiments with garden peas, purple flowers are dominant over white. What would be the phenotypic ratio of the cross at below? 7.L.4A.3

purple/white, 1:1

purple/white, 1:2:1

purple/white, 3:1

purple/white, 1:3

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

1. Referring to Mendel’s famous experiments with garden peas, purple flowers are dominant over white flowers. Which of answer choices BEST describes the genotypic ratio of the cross at right? 7.L.4A.3

one homozygous dominant, two heterozygous, and one homozygous recessive

three heterozygous and one homozygous recessive

three homozygous dominant and one homozygous recessive

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

1. Study the image below. This is an example of what type of inheritance? 7L.4A.3


A. Complete dominance

B. Incomplete dominance

Co-dominance

Complete dominance

Incomplete dominance

Co-dominance

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

The physical expression of a gene e.g. brown eyes

Homozygous

Heterozygous

Genetics

Phenotype

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Homozygous individuals have 2 identical alleles?

True

False

Answer explanation

Homo means same

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

If a trait is sex-linked, the gene is found on the autosome.

True

False

Answer explanation

Sex-linked means on the X chromosome. All other chromosomes beyond X & Y are called autosomes.

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