Question

1.Human cells contain 46 chromosomes. Meiosis in humans results in

a.two daughter cells containing 23 chromosomes each.

b.two daughter cells containing 46 chromosomes each.

c.four daughter cells containing 23 chromosomes each.

d.four daughter cells containing 46 chromosomes each.

2.A fruit fly male has a diploid chromosome number of 8, how many chromosomes would be found in his sperm cells?

a.1. b.4. c.8. d.16. e.23

3.A normal individual who is a carrier for an x-linked trait like hemophilia _____.

SELECT ALL THAT APPLY.

a.is always female.

b.is heterozygous for the recessive condition.

c.shows the dominant phenotype.

d.can have daughters who have the gene.

4.Tetrads form during ____.

a.prophase of mitosis

b.metaphase of mitosis

c.prophase of meiosis I

d.metaphase of meiosis I

e.anaphase of meiosis I

f.telophase of meiosis I

g.prophase of meiosis II

h.metaphase of meiosis II

i.anaphase of meiosis II

j.telophase of meiosis II

5.Which of the following are haploid?

a.daughter cells of mitosis

b.daughter cells of meiosis I

c.daughter cells of meiosis II

6.Sister chromatids separate during ____.

a.metaphase of mitosis

b.anaphase of mitosis

c.metaphase I of meiosis

d.anaphase I of meiosis

e.metaphase II of meiosis

f.anaphase II of meiosis

7.Dawn and Ron both have type A blood. Their son John has type O blood. What are the possible genotypes for Dawn?

SELECT ALL THAT APPLY

1.I^AI^A

8. I^Ai

9.I^AI^B

8.People who carry both the sickle-cell allele and the normal allele make red blood cells that have both sickle-cell hemoglobin and normal hemoglobin. This is an example of a(n) _________ trait.

a.completely dominant

b.incompletely dominant

c.codominant

d.recessive

Answer 1

The answers for the questions are as follows -

1 - Option a - Two daughter cells containing 23 chromosomes each.

2 - Option b - 4

3 - Option a, c, d

4 - Option c - Prophase of meiosis I

5 - Option b - Daughter cells of meiosis I

6 - Option f - Option f - Anaphase II of meiosis

7 - The options are 1 and 8

8 - Option c - codominant