Skip to content

Course home

Sign up

3.3 Inheritance

EasyMediumHard
123456789101112131415161718192021222324252627282930313233
Question 26
H

A woman with blood group A and a man with blood group B have two children. One child has blood group AB and the other has blood group O.

What is the probability that their next child will have the same blood group as either parent?

[1]
A

25%25\%25%

B

75%75\%75%

C

50%50\%50%

D

100%100\%100%

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.

Question bank