User interface language: English | Español

Date May 2009 Marks available 1 Reference code 09M.1.HL.TZ2.30
Level Higher level Paper Paper 1 Time zone Time zone 2
Command term Question number 30 Adapted from N/A

Question

If a heterozygous grey fruit fly is mated with a black-bodied fruit fly, what proportion of the offspring would be black?

A. 0 %

B. 25 %

C. 50 %

D. 100 %

Markscheme

C

Examiners report

N/A

Syllabus sections

Additional higher level » Topic 10: Genetics and evolution » 10.2 Inheritance
Show 43 related questions

View options