SPM Science 2018, Paper 2 (Question 5)

Question 5:
Diagram 5 shows a schematic diagram for the inheritance of mice’s fur colour.

Diagram 5

(a) In Diagram 5, complete the genotype of parent R and offspring S. [2 marks]

(b) Name process A. [1 mark]

(c) Based on Diagram 5, state the ratio of black fur mice to white fur mice. [1 mark]

(d) Match the following terms with their correct definition. [2 marks]

R : Hh
S : Hh


2 : 2

Dominant gene = Gene that shows its effect even with the presence of opposite traits gene.
Genotype = Genetic composition of an organism

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