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Unit 7 Test: Heredity Review

Authored by Alicia Lisee

Biology

9th Grade

NGSS covered

Used 21+ times

Unit 7 Test: Heredity Review
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of Mendel's laws BEST explains why an organism with the genotype ‘Tt’ will show only the dominant phenotype?

Law of Dominance
Law of Segregation
Law of Independent Assortment
Law of Filial Generations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two parents have the genotype Gg for a genetic disorder caused by a recessive allele. What is the chance that any of their children will inherit the disorder?

25%
50%
75%
100%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In guinea pigs, short hair is dominant to long hair. If two heterozygous guinea pigs are crossed, the resulting genotypic ratios are 25% HH, 50% Hh, and 25% hh. How many guinea pigs, if 16 are born, will have long hair?

12
4
6
3

Tags

NGSS.HS-LS3-3

NGSS.HS-LS4-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Situations in which one allele for a gene is not completely dominant over another allele for that gene and the result is a blend of the two parent traits is called...

incomplete dominance.
multiple alleles.
polygenic inheritance.
multiple genes.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Human height occurs in a continuous range because it is affected by the interaction of many genes, making it a(n)...

autosomal trait
sex-linked trait
polygenic trait
codominant trait

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Human males typically have...

one X and one Y chromosome.
two X chromosomes.
one X chromosome only.
two Y chromosomes.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If a man with blood type A and a woman with blood type B produce an offspring, what are all of the possibilities for the offspring’s blood type?

A, B, AB, or O
A, B, or O
AB or O
AB only

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

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