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Genetics and heredity — Question 16

QCAA 2025, Paper 1 · 1 mark

Q16 · 2025 · Paper 1Unclassified1 mark

QUESTION 16

The table shows haploid (n) and diploid (2n) chromosome numbers for different matings.

Mating	Female	Male
I	$\mathrm{n}\,=\,32$	$2\mathrm{n}\,=\,62$
II	$2\mathrm{n}\,=\,62$	$\mathrm{n}\,=\,31$
III	$\mathrm{n}\,=\,31$	$2\mathrm{n}\,=\,62$
IV	$2\mathrm{n}\,=\,64$	$\mathrm{n}\,=\,32$

Predict which mating would produce an interspecific hybrid.

(A) I

(B) II

(C) III

(D) IV

ABCD

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