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Lab Quiz 10-alpha

Total questions: 10

Worksheet time: 26mins

Name
Class
Date
1.

_____% of egg cells will carry an x chromosome, and ____% of sperm cells will carry an X chromosome.

a)

50 & 100

b)

25 & 50

c)

100 & 50

d)

100 & 100

2.

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

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

3.

A calico cat shows both the traits for orange fur and black fur equally. What kind of allele expression is this?

a)

Incomplete dominance

b)

Co-dominance

c)

Sex-linked

d)

Recessive dominance

4.

___% of egg cells will carry a Y chromosome and ___% of sperm cells will carry a Y chromosome

a)

50 & 100

b)

0 & 100

c)

100 & 50

d)

0 & 50

5.

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

a)

0

b)

25

c)

50

d)

100

6.

What is NOT a possible genotype for someone with type B blood?

a)

BB

b)

BO

c)

AB

7.

If a person has an A type blood what could be the genotype (select all that apply)

a)

AA

b)

AO

c)

BO

d)

OO

8.

In fruit flies, the gene for white eyes is sex-linked recessive. (XR) is red and (Xr) is white. A white-eyed female is mated with a normal red-eyed male.

What is the genotype of the female?

a)

XRXR

b)

XrXr

c)

XRXr

d)

XRY

9.

In fruit flies, the gene for white eyes is sex-linked recessive. (XR) is red and (Xr) is white. A white-eyed female is mated with a normal red-eyed male.

What is the genotype of the male?

a)

XRY

b)

XRYR

c)

XRXr

d)

XrY

10.

In fruit flies, the gene for white eyes is sex-linked recessive. (XR) is red and (Xr) is white. A white-eyed female is mated with a normal red-eyed male.

What are the odds of having a white-eyed daughter from this mating?

a)

100

b)

50

c)

25

d)

0