Basic Genetics Check-Up

Basic Genetics Check-Up

9th - 10th Grade

20 Qs

quiz-placeholder

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Basic Genetics Check-Up

Basic Genetics Check-Up

Assessment

Quiz

Biology

9th - 10th Grade

Practice Problem

Medium

NGSS
HS-LS3-1, HS-LS3-2, HS-LS3-3

Standards-aligned

Created by

Jeanette Bosomworth

Used 13+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rainbow horns are dominant to yellow horns in unicorns. If a homozygous dominant unicorn mates with a yellow horned unicorn, what percent of the baby unicorns will have rainbow horns?

100%
50%
25%
0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Freckles are (effectively) a dominant trait. A man with freckles has a child with a woman who also has freckles.
However, the kid does not have freckles. What is a reasonable conclusion?

It's not his kid
Both parents are heterozygous for freckles
The mother must be homozygous recessive for freckles
There's a monosomy of the freckle chromosome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Two pea plants are crossed. One is homozygous tall and the other is homozygous short. The genotypes of the offspring will be:

homozygous dominant

homozygous recessive

heterozygous

Tags

NGSS.HS-LS3-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A plant shows incomplete dominance in size. A tall plant (TT) is crossed with a medium plant (TS). What fraction of plants will also be tall?

100 %
75%
50%
25%

Tags

NGSS.HS-LS3-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

4: Orange and White
1: Orange : 1 White
2 Orange: 2 Orange and White: 0 White
1: Orange: 2 Orange and White: 1 White

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

0%
25%
50%
100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If two parents are heterozygous for type A blood, what is the probability that their offspring would have type O blood?

100 %
75%
50%
25%

Tags

NGSS.HS-LS3-3

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