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ET Meiosis & Monohybrid Review 3/10/25

Total questions: 11

Worksheet time: 8mins

Name
Class
Date
1.

Cells that have pairs of every chromosome are called______________ while cells that have one copy of a chromosome are called____________________?

a)

complete, incomplete

b)

multiploid, monoploid

c)

diploid, haploid

d)

megaploid, uniploid

2.
Crossing over helps promote ?
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
3.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
4 identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
4.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4 different, 2 identical
b)
4 identical, 2 different
c)
2 different, 4 identical
d)
2 identical, 4 different
5.

Describe the process of anaphase I in meiosis.

a)

Sister chromatids separate and move to opposite poles of the cell.

b)

The cell divides into two daughter cells.

c)

The chromosomes replicate.

d)

Homologous chromosomes separate and move to opposite poles of the cell.

6.

What is the difference between meiosis I and meiosis II?

a)

Separation of homologous chromosomes in meiosis I and separation of sister chromatids in meiosis II

b)

Pairing of homologous chromosomes in meiosis I and pairing of sister chromatids in meiosis II

c)

Meiosis I occurs in males and meiosis II occurs in females

d)

No difference between meiosis I and meiosis II

7.
In cacti, long arms (A) are dominant to short arms (a).  Suppose 2 heterozygous cacti are crossed.  What percentage of their offspring are expected to have short arms?
a)
0%
b)
25%
c)
75%
d)
100%
8.

What are the chances that the offspring will have homozygous recessive traits?

a)

1 in 4

b)

3 out of 4

c)

75%

d)

50%

9.

What are the chances that the offspring will have homozygous recessive traits?

a)

1 in 4

b)

3 out of 4

c)

75%

d)

50%

10.

What is the genotypic ratio represented by the punnett square?

a)

1:1

b)

3:1

c)

1:3

d)

1:2:1

11.
Which choice best represents the genotype of this cross?
a)
1 Yy: 2 yy: 0 YY
b)
2 Yy: 2 yy: 0 YY
c)
3 Yy: 1 yy: 0 YY
d)
1 Yy: 3 yy: 0 YY