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Post Test Genetics

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

The smallest unit of life is _________

a)

atom

b)

cell

c)

chromosome

d)

nucleus

2.

In order of smallest to largest, which of the following best describes how a living thing is organized?

a)

Cell, nucleus, chromosome, dna

b)

chromosome, cell, dna, nucleus

c)

dna, cell, nucleus, chromosome

d)

dna, chromosome, nucleus, cell

3.

What part of the cell contains the genetic material?

a)

Cell membrane

b)

cytoplasm

c)

nucleus

d)

mitochondria

4.

The offspring of sexual reproduction receive ______.

a)

Genetic material from one parent

b)

Genetic material from an outside source

c)

Genetic material from two parents

5.

When you have a dominant gene and a recessive gene for a trait, what will be the outcome? (Hybrid)

a)

The dominant trait will always be shown

b)

The recessive trait will always be shown

c)

A combination of the dominant and recessive trait will be shown

6.

Which of the following is an example of asexual reproduction?

a)

A fish releases sperm which unites with an egg of another fish

b)

A gray cat is the offspring of a black cat and a white cat

c)

Flowers from two different plants are mated to produce a seed

d)

A worm is split in two; each half grows back into a complete worm

7.

Which of the following organisms usually reproduced asexually?

a)

Plants

b)

Bacteria

c)

Animals

d)

Plants and Animals

8.

In pea plants, green seeds (G) are dominant over yellow seeds (g). What possible phenotype will be displayed for the genotype Gg?

a)

Green

b)

Yellow

c)

Yellow-green

d)

Both green and yellow

9.

Use the following punnett square to help: The question mark should be replaced with _________

a)

RR

b)

Rr

c)

rr

d)

RRrr

10.

In the table shown, the dominant condition of this characteristic is represented by

a)

RR, Rr, and rr

b)

RR and rr

c)

Rr and rr

d)

RR and Rr

11.

Look at the table above, among the offspring, what is the ratio of dominant to recessive for this trait?

a)

1:3

b)

3:1

c)

2:2

d)

1:2:1

12.

The punnett square is used to determine the probability of traits in offspring as a result of ___________

a)

Sexual reproduction

b)

Asexual reproduction

c)

both sexual and asexual reproduction

d)

neither sexual or asexual reproduction