GCSE AQA Biology Variation & Evolution: Draw one line from each scientis

Question

Draw one line from each scientist to the description of their significant work.

Scientist                      Description of significant work

Charles Darwin             Carried out breeding experiments on pea plants.

Alfred Russel Wallace    Wrote 'On the origin of species'.

Gregor Mendel             Worked on plant defence systems.

In the mid-20th century the structure of DNA was discovered.
What is a section of DNA which codes for one specific protein called?

How many amino acids does the strand of DNA in Figure 11 code for?

Tick one box.

2

3

4

6

Complete the genetic diagram in Figure 12.
Identify any children with CF.
Give the probability of any children having CF.

Each parent does not have CF.

The following symbols have been used:
D = dominant allele for not having CF
d = recessive allele for having CF

Figure 12

Mother

D      d
Father

D     DD

d

Probability of a child with CF =

What is the genotype of the mother shown in Figure 12?

Tick one box.

Heterozygous

Homozygous dominant

Homozygous recessive.

Draw one line from each scientist to the description of their significant work - AQA - GCSE Biology - Question 8 - 2018 - Paper 1