Tutorial
iGCSE Biology: Sexual Reproduction
Learn the key definitions for iGCSE Biology, including sexual reproduction, fertilisation, gametes, and zygotes. Understand the difference between haploid and diploid cells and the pros and cons of sexual reproduction.
Tutorial
iGCSE Biology: Sexual Reproduction
Learn the key definitions for iGCSE Biology, including sexual reproduction, fertilisation, gametes, and zygotes. Understand the difference between haploid and diploid cells and the pros and cons of sexual reproduction.
Management & Tools
Deck Contents
22 CardsLesson#1
In contrast to asexual reproduction which involves only one parent, sexual reproduction involves two parents. It relies on specialised sex cells, which have the scientific name 'gametes'. In animals, the male gamete is the sperm cell and the female gamete is the egg cell.
Quiz#2
What is the scientific term for a sex cell, such as a sperm or an egg cell?
gamete
Lesson#3
The definition you need for your exam is that sexual reproduction is the process involving the fusion of the nuclei of two gametes to form a zygote. The zygote is the first cell of a new organism.
Quiz#4
What process is defined as the fusion of the nuclei of two gametes to form a zygote?
sexual reproduction
Quiz#5
What is the name of the single cell formed when two gamete nuclei fuse together?
zygote
Lesson#6
The specific event of the male and female gamete nuclei fusing is called fertilisation. So, you can say that sexual reproduction involves fertilisation.
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