Exam-style practice

Monohybrid inheritance practice questions

Practise mixed syllabus-aligned questions for Monohybrid inheritance. Aligned to Cambridge IGCSE Biology.

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Mode

Inheritance

Topic

Practice questions

Question 21 of 36

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Paper 3Theory (Core)2 marks

Description

Cross between a heterozygous yellow seed plant (Yy) and a homozygous green seed plant (yy).

Parent 1 alleles	Parent 2 alleles
Y	y
y	y

a
Identify the genotypes of the offspring from this cross.
Your answer
Aim for approximately 2 distinct marking points.
[2]