Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Cat sex is determined in the same way as human sex.
(a)[3]

Fill in the diagram below to show how sex is determined in cats.

(b(i))[3]

State the genotypes for cats 1, 4, and 5 in Fig. 3.1.

(b(ii))[3]

Explain why coat colour is an example of discontinuous variation.

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