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Genetics & Heredity Quiz2

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

Aa, DD, Bb, yy are all examples of

a)

genotypes

b)

phenotypes

2.

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

a)

recessive

b)

dominant

c)

lower case letter

d)

both

3.

What you see, or the physical appearance.

a)

Genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

4.

T - tall and t = short

In the punnett square below, what belongs in the missing square

a)

tt

b)

Tt

c)

Bb

d)

TT

5.

Which of the following genotypes is homozygous dominant?

a)

A

b)

Aa

c)

AA

d)

aa

6.

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

a)

rr

b)

R

c)

RR

d)

RR or Rr

7.

Which of the characteristics is a lion least likely to pass on to its offspring?

a)

fur color

b)

length of tail

c)

scars on leg

d)

body size

8.

Complex molecule that carries genetic information that defines an organism's traits. It is stored in the nucleus.

a)

DNA

b)

protein

c)

RNA

d)

glucose nucleic acid (GNA)

9.

B = brown fur b = white fur

In the punnett square, what is the probability for white fur?

a)

0%

b)

25%

c)

50%

d)

75%

10.

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%