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3.3 Inheritance

What did Mendel infer from fixed offspring ratios such as 3:13:13:1?

A

Features are controlled by one blended unit passed from parents to offspring.

B

Features are controlled by separate inherited units passed from parents to offspring.

C

Features are controlled by environmental conditions passed from parents to offspring.

D

Features are controlled by random changes passed from parents to offspring.

3.3 Inheritance Flashcards

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

Flashcards for Edexcel GCSE Biology 3.3 Inheritance, covering the key terms, definitions and processes you need to recall for Paper 1 and Paper 2. 21 cards drawn from 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, matched to the Edexcel GCSE Biology (1BI0) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.