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AH Biology 2.3 - Variation and Sex

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which form of reproduction leads to greater genetic variation?

a)

Sexual Reproduction

b)

Asexual Reproduction

2.

Which form of reproduction is more likely to result in offspring with the ability to adapt to changing conditions?

a)

Sexual Reproduction

b)

Asexual Reproduction

3.

Which form of reproduction is best to establish a large colony size over a short period of time?

a)

Sexual Reproduction

b)

Asexual Reproduction

4.

Which form of reproduction leads to no genetic variation?

a)

Sexual Reproduction

b)

Asexual Reproduction

5.

Which of the following is a method of reproduction from a female gamete without fertilisation?

a)

The Red Queen Hypothesis

b)

Parthenogeneis

c)

Meiosis

d)

Hermaphrodites

6.

Which of the following names is given to pairs of chromosomes which are the same size?

a)

Homologous Pairs

b)

Homozygous Pairs

c)

Heterozygous Pairs

d)

Homogeneous Pairs

7.

The process of Meiosis results in

a)

Haploid gametes

b)

Diploid gametes

8.

Which of the following is not usually found in Homologous chromosomes?

a)

They are the same size

b)

They have the same centromere position

c)

They have the same sequence of genes at the same loci

d)

They have different genes at the same loci

9.

During Meiosis, one diploid gamete mother cell results in

a)

1 haploid daughter cell

b)

2 haploid daughter cells

c)

3 haploid daughter cells

d)

4 haploid daughter cells

10.

Where does the 'crossing over' of homologous pairs occur?

a)

The chiasmata

b)

The centromere

c)

The loci

d)

The required section of genes

11.

The crossing over of DNA is

a)

Random

b)

Non-Random

12.

Independent Assortment takes place when each pair of homologous pairs line up at the equator

a)

In an order independent of other pairs

b)

In an order dependent of other pairs

13.

During Meiosis, where do homologous pairs line up in a cell?

a)

The Pole

b)

The Equator

c)

The Middle of the cell

d)

Tullibody

14.

During Meiosis, what structure pulls apart the homologous pairs?

a)

Spider fibres

b)

Spindle fibres

c)

The equator

d)

Mr Mooney

15.

During Meiosis, what takes place to divide the cell into two new cells?

a)

Metaphase

b)

Anaphase

c)

Cytokinesis

d)

Interphase