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3.3 Inheritance

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Question 2
F

A rabbit has genotype Bb Bb\,Bb for coat colour.

Which statement describes the alleles in its gametes?

[1]
A

Each gamete contains both BBB and bbb.

B

Each gamete contains two copies of BBB.

C

Each gamete contains either BBB or bbb.

D

Each gamete contains two copies of bbb.

Markscheme

3.3 Inheritance Questions

  1. GCSE
  2. /Biology
  3. /3.3 Inheritance

43 exam-style questions on Edexcel GCSE Biology 3.3 Inheritance, covering 3.3.1 Gregor Mendel and the basis of genetics, 3.3.2 Alleles and inherited characteristics, 3.3.3 Monohybrid inheritance, 3.3.4 Determination of sex at fertilisation, 3.3.5 Outcomes from monohybrid crosses, 3.3.6 Inheritance of ABO blood groups, 3.3.7 Inheritance of sex-linked disorders, and 3.3.8 Multiple genes and phenotypic features. Each one has a worked solution and a mark scheme showing where the marks go.

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