Sexual reproduction
What Sexual reproduction means in Biology GCSE, as defined for AQA, OCR.
Definitions of Sexual reproduction
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Reference: AQA
Involves gametes and fertilisation, producing genetic variation in offspring, which improves survival if the environment changes, but requires two parents, uses more energy and is slower.
Involves the fusion of haploid gametes, generating genetic diversity through meiosis and random fertilisation, though it is slower.
In the mosquito, gametes fuse sexually to form a zygote, generating genetic variation.
Involves the mixing of genetic information which leads to variety in the offspring.
Involves the joining (fusion) of male and female gametes.
Topics that use Sexual reproduction
- Advantages and disadvantages of sexual and asexual reproduction (biology only) (AQA GCSE)
- Sexual and asexual reproduction (AQA GCSE)
- Inheritance (OCR GCSE)
Related terms
- Genetic variation
- Asexual reproduction
- gamete formation
- meiosis
- Adaptation and survival
- Application to unfamiliar organisms
- Asexual reproduction and cloning
- carrier identification
Using Sexual reproduction in the exam
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