Question

Which of the following is not a function of mitosis?

​A) Tissue repair

​B) Production of gametes, i.e., egg and sperm cells

​C) Growth and development of a multicellular organism

​D) Cell reproduction

Suppose that in some species the haploid number of chromosomes is 14. How many chromosomes would be found in ​the zygote (fertilized egg cell)?

​A) 14​​​​B) 7​​​C) 2​​​D) 28

Which of the following is true about the process of crossing over of chromosomes?

​A) It ensures that replication of the chromosomes is as error-free as possible

​B) It acts to ensure that the gametes that result from meiosis are all genetically alike

​C) It increases the genetic diversity of gametes by creating chromosome types that are not identical to any maternal or ​​paternal types

​D) It can only occur at certain fixed locations on chromosomes

​

During the first part of meiosis, chromosomes perform a process known as independent assortment. What happens ​during independent assortment?

​A) Chromosomes line up in double file, with all maternal types in one line and all paternal types in a second line

​B) Chromosomes line up in single file in the middle of the cell

​C) Chromosomes are replicated and joined at the centromere

​D) Chromosomes line up in double file, with maternal and paternal types randomly distributed

In meiosis, cells undergo ________ round(s) of cell division to produce ________ offspring cells, while in mitosis ​cells ​undergo ________ round(s) of cell division to produce ________ offspring cells..

​A) 2; 4; 1; 2

​B) 2; 2; 1; 4

​C) 4; 2; 2; 1

​D) 1; 2; 2; 4

Answer 1

Answers -

1. Which of the following is not a function of mitosis?

Ans - Option B - Production of gametes - sperm and egg cells

2. Suppose that in some species the haploid number of chromosomes is 14. How many chromosomes would be found in ​the zygote (fertilized egg cell)?

Ans - Option D - 28

3. Suppose that in some species the haploid number of chromosomes is 14. How many chromosomes would be found in ​the zygote (fertilized egg cell)?

Ans - Option C - It increases the genetic diversity of gametes by creating chromosome types that are not identical to any maternal or ​​paternal types

4. During the first part of meiosis, chromosomes perform a process known as independent assortment. What happens ​during independent assortment?

Ans - Option D - Chromosomes line up in double file, with maternal and paternal types randomly distributed.

5. In meiosis, cells undergo ________ round(s) of cell division to produce ________ offspring cells, while in mitosis ​cells ​undergo ________ round(s) of cell division to produce ________ offspring cells..

Ans - Option A - 2; 4; 1; 2

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