Mitosis and Meiosis

Q.

If a cell contains 12 chromosomes at the end of meiosis I, how many chromosomes will the daughter cells contain at the end of meiosis II?

1. 3

2. 24

3. 48

4. 6

5. 12

Q.

Why doesn't meiosis have a G2 phase?

Q. The amount of DNA in a mammalian cell in early prophase I is x.
What is the amount of DNA in the same cell in anaphase I of meiosis?

1. x/4
2. x/2
3. x
4. 2x

Q. Meiosis I is reduction division. Meiosis II is equational division due to

1. Separation of chromatids
2. Crossing over
3. Pairing of homologous chromosomes
4. Disjunction of homologous chromosomes

Q. What will be amount of DNA in meiotic II products, if DNA is 32 picogram in its meiocytes at prosphasel ?

1. $32pg$
2. $64pg$
3. $16pg$
4. $8pg$

Q.

If a cell contains 12 chromosomes at the end of meiosis I, how many chromosomes will the daughter cells contain at the end of meiosis II?

1. 3

2. 6

3. 12

4. 24

5. 48

Q. Which of the following is the reason that People have an extra X chromosome?

1. Nondisjunction
2. Transposition
3. Transduction
4. Crossing over
5. All of the above

Q. In a monocot, endosperm cells have 24 chromosomes. What shall be the chromosome number in embryo?

1. 24
2. 16
3. 12
4. 8

Q. Assertion :Translocation heterozygotes are generally semisterile. Reason: During meiosis in a translocation heterozygote, 50% of gametes carry deficiencies and duplications.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.