Cambridge IGCSE Biology practice

Paper 3 structured question: Monohybrid inheritance

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Paper

Marks

Topic

Monohybrid inheritance

Exam-style question

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Paper 3Theory (Core)2 marks

Genetics and inheritance

Description

Two homozygous pea plants with yellow seeds (YY) are crossed. Yellow seed color (Y) is dominant over green (y).

a
Identify the type of offspring produced by this cross in terms of breeding.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 3Theory (Core)1 marks

Description

Two homozygous pea plants, one with yellow seeds (YY) and one with green seeds (yy), are crossed. Yellow seed color (Y) is dominant over green (y).

a
State the genotype of the offspring produced by this cross.
Your answer
Aim for approximately 1 distinct marking point.
[1]