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5.1 Inheritance

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Question 30

F

In rabbits, the allele for black fur ( $B\text{B}$ ) is dominant to the allele for white fur ( $b\text{b}$ ).

A rabbit has the genotype $Bb\text{Bb}$ .

Which statement describes this rabbit?

[1]

A

It is homozygous and has black fur.

B

It is heterozygous and has white fur.

C

It is heterozygous and has black fur.

D

It is homozygous and has white fur.

Markscheme

5.1 Inheritance Questions

GCSE
Biology
5.1 Inheritance

186 exam-style questions on OCR GCSE Biology 5.1 Inheritance, covering 5.1.1 The genome, 5.1.2 Environment and phenotype, 5.1.3 Variants and mutations, 5.1.4 How genetic variants influence phenotype, 5.1.5 Asexual and sexual reproduction, 5.1.6 Haploid and diploid, 5.1.7 Meiotic cell division, 5.1.8 Single gene inheritance, 5.1.9 Predicting single gene crosses, 5.1.10 Sex determination, 5.1.11 Multiple gene inheritance, and 5.1.12 Development of our understanding of genetics. Each one has a worked solution and a mark scheme showing where the marks go.

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