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Genetics 2 Quiz

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

A characteristic that an organism can pass on to its offspring through its genes.

a)

Trait

b)

Chromosome

c)

Thymine

d)

Genetic Engineering

2.

An allele that wins or is always expressed

a)

Gene

b)

Dominant

c)

Homozygous

d)

Recessive

3.

An allele that loses or is not expressed

a)

Dominant

b)

Gene

c)

Recessive

d)

Heterozygous

4.

Letters used to represent a trait

a)

Chromosomes

b)

Genes

c)

Symbols

d)

Alleles

5.

Having two identical alleles for a particular gene

a)

Homozygous

b)

Twins

c)

Heterozygous

d)

Homo sapien

6.

Having two different alleles for a particular gene

a)

Homozygous

b)

Trait

c)

Heterozygous

d)

Opposition

7.

Nn represent homozygous alleles.

a)

True

b)

False

8.

KK represents homozygous alleles.

a)

True

b)

False

9.

hh represents homozygous recessive alleles.

a)

True

b)

False

10.

YY represents homozygous recessive alleles.

a)

True

b)

False

11.

Homozygous dominant for red flowers (F)

a)

FF

b)

ff

c)

Ff

12.

Homozygous recessive for dark skin (D).

a)

DD

b)

dd

c)

Dd

13.

Heterozygous for white feathers (W).

a)

WW

b)

ww

c)

Ww

14.

Describe the dragon in the box with the red circle.

a)

It can breathe fire

b)

It is heterozygous for breathing fire

c)

It is homozygous dominant

d)

It cannot breathe fire

15.

What alleles would be written in the box with the red circle?

a)

DD

b)

Dd

c)

dd

d)

dD

16.

What is the possibility of producing rice with a long grain?

a)

100%

b)

75%

c)

50%

d)

25%