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3.3 Inheritance

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12
Question 1
F

A pea plant has two different alleles of the gene for flower colour.

Which term describes this plant?

[1]
A

homozygous

B

dominant

C

recessive

D

heterozygous

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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