wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Genetics Quiz Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A ___ is a device used to predict the genotypes and phenotypes of a particular cross.

a)

Punnett Square

b)

Dichotomous Key

2.

The ____ trait is expressed even if present with a contrasting recessive allele.

a)

dominant

b)

recessive

c)

neutral

3.

A ____ is a region of DNA that controls a trait.

a)

gene

b)

phenotype

c)

chromatin

d)

genotype

4.

_____ is the genetic makeup of an organism.

a)

phenotype

b)

genotype

5.

An organism is ____ if they have two different alleles for a trait.

a)

homozygous

b)

heterozygous

6.

An organism is ____ if they have identical alleles for a trait.

a)

homozygous

b)

heterozygous

7.

The ____ is the physical appearance of an organism.

a)

genotype

b)

phenotype

8.

The ____ of an organism is the genetic makeup.

a)

phenotype

b)

genotype

9.

The _____ form of a gene is only expressed when in the homozygous form.

a)

dominant

b)

recessive

c)

neutral

10.

Who is the father of genetics?

a)

Mendel

b)

Hooke

c)

Linneaus

d)

Darwin

11.

The ____ law of probability states that no matter what happens in the past the probability stays the same.

a)

first

b)

second

c)

third

d)

fourth

12.

The ____ law of probability states that in order to calculate the probability of two events occurring at the same time you need to take the product of the two individual events.

a)

first

b)

second

c)

third

d)

fourth

13.

A ____ is performed when you have and organism of unknown genotype.

a)

test cross

b)

monohybrid

c)

dihybrid

d)

cross test

14.

____ is seen when the dominant allele does not entirely mask the recessive allele and a trait is seen in between the two phenotypes.

a)

normal dominance

b)

incomplete dominance

c)

codominance

15.

___ is seen when both alleles are dominant and expressed in the heterozygous form.

a)

normal dominance

b)

incomplete dominance

c)

codominance

16.

Alleles in normal dominance are written with _____.

a)

capital and lower case letters

b)

capital letters slash marks

c)

capital letters and super scripts

17.

Incomplete dominance alleles are written with _____.

a)

capital and lower case letters

b)

capital letters and slashes

c)

capital letters and superscripts

18.

Alleles in codominance are written with _____.

a)

capital and lower case letters

b)

capital letters with slashes

c)

capital letters with superscripts

19.

What is another name for homozygous?

a)

pure

b)

hybrid

20.

What is another term for heterozygous?

a)

pure

b)

hybrid