Fertilisation
What Fertilisation means in Combined Science GCSE, as defined for AQA.
Definitions of Fertilisation
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Reference: AQA
The fusion of two gametes to form a diploid zygote, restoring the full chromosome number and creating new allele combinations.
The process in which a sperm nucleus fuses with an egg nucleus to form a fertilised egg, which is a single cell.
The fusion of the male nucleus from the pollen grain with the female nucleus of the egg cell, forming a zygote.
The joining of a sperm and an egg, so that an X sperm gives an XX zygote and a Y sperm gives an XY zygote.
The meeting of sperm and egg, which both methods of sterilisation work to prevent so that it cannot occur.
The meeting of sperm and egg, which cannot happen when sperm are immobilised or destroyed in the vagina.
Topics that use Fertilisation
- Contraception (AQA GCSE)
- Genetic inheritance (AQA GCSE)
- Sex determination (AQA GCSE)
- Sexual and asexual reproduction (AQA GCSE)
- The use of hormones to treat infertility (HT only) (AQA GCSE)
Related terms
Using Fertilisation in the exam
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