AQA GCSE BIOLOGY Foundation Tier Paper (8461/2F) Combined
Question Paper and Mark Scheme
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
BIOLOGY
Foundation Tier Paper 2F
F
Materials
For this paper you must have: For Examiner’s Use
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing.
4
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided. 5
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want
8
to be marked.
• In all calculations, show clearly how you work out your answer. 9
10
Information
TOTAL
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
, 3
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Some people keep rabbits as pets.
Figure 1 shows two types of rabbit.
Figure 1
The fur colour pattern in the Himalayan rabbit is caused by a dominant allele.
0 1 . 1 What is a dominant allele?
[1 mark]
Tick (✓) one box.
An allele expressed only if a rabbit has two copies of the allele
An allele expressed only if it is inherited from the male rabbit
An allele expressed when a rabbit has only one copy of the allele
Question 1 continues on the next page
Turn over ►
IB/G/Jun25/8461/2F
, 4
Do not write
outside the
In Questions 01.2 and 01.3, use the following symbols: box
H = dominant allele for Himalayan fur pattern
h = recessive allele for white fur.
0 1 . 2 What is the genotype of a white rabbit?
[1 mark]
Tick (✓) one box.
HH Hh hh
A male Himalayan rabbit was crossed with a female Himalayan rabbit.
The male rabbit and the female rabbit each had the heterozygous genotype Hh.
Some of the offspring were Himalayan rabbits and some of the offspring were
white rabbits.
0 1 . 3 Complete the Punnett square diagram in Figure 2.
You should show:
• the male gametes
• the offspring genotypes.
[3 marks]
Figure 2
IB/G/Jun25/8461/2F
, 5
Do not write
outside the
0 1 . 4 Some of the offspring in Figure 2 are homozygous and some are heterozygous. box
Draw a ring around the genotype of one homozygous offspring in Figure 2.
[1 mark]
0 1 . 5 Four offspring were born.
How many of the four offspring would you expect to be Himalayan rabbits?
Use Figure 2.
[1 mark]
Tick (✓) one box.
1 2 3 4
0 1 . 6 Inheritance of sex in rabbits is the same as inheritance of sex in humans.
A female rabbit has two X chromosomes in each body cell.
How many X chromosomes does a male rabbit have in each body cell?
[1 mark]
Tick (✓) one box.
0 1 2
0 1 . 7 Some of the offspring in Figure 2 would be male and some of the offspring would
be female.
How many of the four offspring in Question 01.5 would you predict to be female?
[1 mark]
9
Turn over ►
IB/G/Jun25/8461/2F
Question Paper and Mark Scheme
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
BIOLOGY
Foundation Tier Paper 2F
F
Materials
For this paper you must have: For Examiner’s Use
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing.
4
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided. 5
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). 7
• Do all rough work in this book. Cross through any work you do not want
8
to be marked.
• In all calculations, show clearly how you work out your answer. 9
10
Information
TOTAL
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
, 3
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Some people keep rabbits as pets.
Figure 1 shows two types of rabbit.
Figure 1
The fur colour pattern in the Himalayan rabbit is caused by a dominant allele.
0 1 . 1 What is a dominant allele?
[1 mark]
Tick (✓) one box.
An allele expressed only if a rabbit has two copies of the allele
An allele expressed only if it is inherited from the male rabbit
An allele expressed when a rabbit has only one copy of the allele
Question 1 continues on the next page
Turn over ►
IB/G/Jun25/8461/2F
, 4
Do not write
outside the
In Questions 01.2 and 01.3, use the following symbols: box
H = dominant allele for Himalayan fur pattern
h = recessive allele for white fur.
0 1 . 2 What is the genotype of a white rabbit?
[1 mark]
Tick (✓) one box.
HH Hh hh
A male Himalayan rabbit was crossed with a female Himalayan rabbit.
The male rabbit and the female rabbit each had the heterozygous genotype Hh.
Some of the offspring were Himalayan rabbits and some of the offspring were
white rabbits.
0 1 . 3 Complete the Punnett square diagram in Figure 2.
You should show:
• the male gametes
• the offspring genotypes.
[3 marks]
Figure 2
IB/G/Jun25/8461/2F
, 5
Do not write
outside the
0 1 . 4 Some of the offspring in Figure 2 are homozygous and some are heterozygous. box
Draw a ring around the genotype of one homozygous offspring in Figure 2.
[1 mark]
0 1 . 5 Four offspring were born.
How many of the four offspring would you expect to be Himalayan rabbits?
Use Figure 2.
[1 mark]
Tick (✓) one box.
1 2 3 4
0 1 . 6 Inheritance of sex in rabbits is the same as inheritance of sex in humans.
A female rabbit has two X chromosomes in each body cell.
How many X chromosomes does a male rabbit have in each body cell?
[1 mark]
Tick (✓) one box.
0 1 2
0 1 . 7 Some of the offspring in Figure 2 would be male and some of the offspring would
be female.
How many of the four offspring in Question 01.5 would you predict to be female?
[1 mark]
9
Turn over ►
IB/G/Jun25/8461/2F
