genetic variation and its control

Question 1

do the nucleus of cells contain chromosomes, which carry genes

Answer 1

yes they do

Question 2

What type of factor is involved in determining language?

Answer 2

Environmental factors only

Question 3

What type of factor is involved in determining body mass?

Answer 3

Both environmental factors and inherited factors

Question 4

What type of factor is involved in determining eye colour?

Answer 4

Inherited factors only

Question 5

Where in one of a body’s cells are chromosomes found?

Answer 5

Chromosomes are found in the nucleus.

Question 6

Which statement about sex cells is correct?

Answer 6

Sperm are male gametes; ova are female gametes.

Question 7

In the course of reproduction, when does fertilisation happen?

Answer 7

In the course of reproduction, fertilisation happens when a male and female gamete join.

Question 8

Which statement about asexual reproduction is correct?

Answer 8

Asexual reproduction needs just one parent.