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BW2: Genetics

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Asexual reproduction involves how many parents?

a)

1

b)

2

c)

3

d)

0

2.

Sexual reproduction involves how many parents?

a)

0

b)

1

c)

2

d)

3

3.

The male gamete is called...

a)

Sperm

b)

Egg

c)

Zygote

d)

Nucleus

4.

The female gamete is called...

a)

Sperm

b)

Egg

c)

Nucleus

d)

Zygote

5.

The fusing of a male and female gamete is called..

a)

Fertilisation

b)

Inheritance

c)

Genes

d)

Chromosome

6.

Humans have how many chromosomes?

a)

40

b)

12

c)

48

d)

23 pairs

7.

Traits that are controlled by genes and passed from parent to child are called...

a)

Non-inherited characteristics

b)

Reading

c)

Inherited characteristics

d)

Proteins

8.

The pair of genes you have for a trait e.g bb is called..

a)

Zygote

b)

Nucleus

c)

Phenotype

d)

Genotype

9.

The physical expression of your genetic makeup is called..

a)

Phenotype

b)

Allele

c)

Genotype

d)

Zygote

10.

The first cell you ever are, when a sperm fuses with an egg is called...

a)

Nucleus

b)

Gene

c)

DNA

d)

Zygote

11.

If an allele is expressed in the present of another allele e.g. if Long hair 'L' is expressed over short hair 'l', long hair is said to be..

a)

Recessive

b)

Inherited

c)

Dominant

d)

Chromosome

12.

If a gene only produce their characteristic when the dominant gene is absent, it is what type of gene?

a)

Recessive

b)

Non-inherited

c)

Inherited

d)

Phenotype

13.

If a dog black fur with a genotype of BB is crossed with a dog of black fur genotype BB, what is the only type of puppy they can produce?

a)

Brown hair

b)

Blonde hair

c)

Pink hair

d)

Black hair

14.

If tallness 'T' is dominant to shortness 't', what is the only genotype that will be short?

a)

TT

b)

Tt

c)

tT

d)

tt

15.

Using the following diagram, if Brown 'B' is dominant to green 'b', What is the percentage chance of producing a green eyed child?

a)

0

b)

25

c)

75

d)

100