Genetics

Question 1

What is the cellular process between cell divisions?

Answer 1

The Cell Cycle

Question 2

What is a somatic cell?

Answer 2

Cells that require growth and repair through mitosis.
Ex. Skin cells, stomach cells.

Question 3

What is chromatin?

Answer 3

Intertwined strands of genetic material that is only present for prophase and metaphase.

Question 4

What is a centromere?

Answer 4

The pinched in region in a chromosome that holds the two halves together.

Question 5

Each human somatic cell has __ chromosomes that can be organized into __ pairs with __ sex chromosomes.

Answer 5

46, 22, 2

Question 6

What are the male and female sex chromosomes respectively?

Answer 6

XY, XX

Question 7

The diploid number of chromosomes in humans is__ or _n and the haploid number is __ or _n.

Answer 7

46 or 2n. 23 or n.

Question 8

If the diploid number of chromosomes an an organism is 10, what is the octoploid number?

Answer 8

40 because 10/2 and then 5x8.