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Genetics Review

Authored by Sarah Henning

Biology

9th - 11th Grade

NGSS covered

Used 3+ times

Genetics Review
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An organism's phenotype describes its __________.

genetic makeup
physical appearance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many chromosomes are found in human egg and sperm cells?

20
23
26
46

Tags

NGSS.HS-LS3-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A recessive trait only shows up when __________.

two dominant alleles are present
one dominant allele is present
two recessive alleles are present
at least one dominant allele is present

Tags

NGSS.HS-LS3-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If you cross two parents, both with genotype Bb, what percentage of children will have brown eyes?

25%
50%
75%
100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Purebred is another word for __________, while hybrid is another word for __________.

dominant; recessive
recessive; dominant
homozygous; heterozygous
heterozygous; homozygous

Tags

NGSS.HS-LS3-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the phenotype for the recessive trait?

brown eyes
green eyes
blue eyes

Tags

NGSS.HS-LS3-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tallness is dominant in pea plants and is represented by "T." What would the genotype be for a homozygous tall plant?

Tt
tt
TT
Tall 

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