B1 - Genetic Variation 0.0 / 5 ? BiologyHealthy livingGCSEOCR Created by: RachelcfxCreated on: 02-05-16 21:09 What are the three sources of genetic variation? Gamete Formation, Fertilisation, Mutations. 1 of 9 What are gametes? Sperm cells and Egg cells. 2 of 9 Where are gametes formed? Overies/Testes 3 of 9 How many pairs of chromosomes are body cells made from? 23. 4 of 9 What is gamete formation? Making sperm cells and egg cells. 5 of 9 What is fertilisation? The gametes join together. 6 of 9 What is mutations? Changes to the genetic code. 7 of 9 What does mutate mean? A gene changes. 8 of 9 In sexual reproduction a mixture of chromosomes is... randomly shuffled into gametes. 9 of 9
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