Draw one line from each scientist to the description of their significant work - AQA - GCSE Biology - Question 8 - 2018 - Paper 1
Question 8
Draw one line from each scientist to the description of their significant work.
Scientist Description of significant work
Charles Darwin ... show full transcript
Worked Solution & Example Answer:Draw one line from each scientist to the description of their significant work - AQA - GCSE Biology - Question 8 - 2018 - Paper 1
Step 1
Draw one line from each scientist to the description of their significant work.
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Answer
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.
Step 2
What is a section of DNA which codes for one specific protein called?
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Answer
A section of DNA that codes for one specific protein is called a gene.
Step 3
How many amino acids does the strand of DNA in Figure 11 code for?
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Answer
The strand of DNA in Figure 11 codes for 4 amino acids.
Step 4
Identify any children with CF.
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Answer
In the genetic diagram, the child represented by the genotype dd exhibits cystic fibrosis (CF).
Step 5
Give the probability of any children having CF.
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Answer
The probability of a child having cystic fibrosis (CF) from this cross is 0.25 or 25%.
Step 6
What is the genotype of the mother shown in Figure 12?
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The genotype of the mother shown in Figure 12 is heterozygous.
