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Date May 2016 Marks available 1 Reference code 16M.1.HL.TZ0.21
Level Higher level Paper Paper 1 Time zone TZ0
Command term Deduce Question number 21 Adapted from N/A

Question

The statement is about the genetic control of cat coat colour.

In a cross between two double heterozygous tabby cats, what would the expected proportion of black offspring be?

A. 1 out of 16
B. 3 out of 16
C. 4 out of 16
D. 9 out of 16

 


 

Markscheme

C

Examiners report

N/A

Syllabus sections

Additional higher level » Topic 10: Genetics and evolution » 10.2 Inheritance
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