Curriculum
Course: AQA A Level Biology 7402
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Curriculum

AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

7.2.2 Gene Pools and Allele Frequency – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.

The chi-squared test is used in genetics to

test whether observed and expected ratios differ significantly
calculate allele frequency
find the mean
measure variation
2.
According to the comparison table in this lesson, what is the Phenotype ratio of Aa × aa?
According to the comparison table in this lesson, what is the Phenotype ratio of Aa × aa?
Mendelian crosses
1 : 1
9 : 3 : 3 : 1
3 : 1
1 : 1 : 1 : 1
3.
Meiosis has all of the following features EXCEPT:
Homologous chromosomes separate in anaphase I
It produces four haploid cells
Crossing over occurs between non-sister chromatids
It produces two cells genetically identical to the parent cell
4.
IGCSE Biology 19.5 Populations - Question 3
IGCSE Biology 19.5 Populations - Question 3
A
B
C
D
5.
A dihybrid cross RrYy × RrYy gave 556 seeds as shown. Which ratio do the results approximate?
3 : 1
1 : 1 : 1 : 1
9 : 3 : 3 : 1
1 : 2 : 1
6.
Which refers to the degree to which a phenotype is determined by genetic variation in a population?
SAT Biology - Question 232
A
B
C
D
E
7.
IGCSE Biology 19.5 Populations - Question 4
IGCSE Biology 19.5 Populations - Question 4
A
B
C
D
8.

A4.1 Evolution and speciation — Question 7 | DABOUR HUB

Dr Dabour Hub Academy - figure 1
A
B
C
D
9.
The graph shows the body size distribution in a population. Which statement describes the effects of stabilizing selection on the distribution?
SAT Biology - Question 237
A
B
C
D
E
10.

A4.1 Evolution and speciation — Question 3 | DABOUR HUB

Dr Dabour Hub Academy - figure 2
A
B
C
D
11.
Complete the statement: AB blood group is an example of ______.
Complete the statement: AB blood group is an example of ______.
codominance
polygenic
Multiple alleles
Incomplete dominance
12.
Large-scale growth of microorganisms happens in a __________.
fermenter
seed bank
greenhouse
test tube
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Part of 7. Genetics, Populations, Evolution and Ecosystems (A Level only) — see every lesson and quiz in this unit.
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