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iGCSE Biology: Meiosis

Learn about meiosis for your iGCSE Biology exam. This deck covers meiosis as a reduction division, its role in producing haploid gametes, and how it creates genetic variation.
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Deck Contents

17 Cards
Lesson#1
In your previous studies, you learned about mitosis, a type of cell division for growth and repair that produces genetically identical cells. Now, we'll look at a different type of cell division called meiosis. Meiosis has a very specific purpose: to produce gametes for sexual reproduction.
Lesson#2
The key feature of meiosis is that it is a 'reduction division'. This means that the number of chromosomes in the cells is halved during the process. This is essential for sexual reproduction.
Quiz#3
What specific term describes a type of cell division, like meiosis, where the chromosome number is halved?

reduction division

Lesson#4
To understand the reduction division, we need two key terms: diploid and haploid. Most of your body cells are diploid, meaning they have two complete sets of chromosomes. Meiosis takes a diploid cell and produces cells that are haploid, meaning they only have one set of chromosomes.
Quiz#5
What term describes a cell nucleus that contains two complete sets of chromosomes?

diploid

Quiz#6
What term describes a cell nucleus that contains a single set of chromosomes, such as in a gamete?

haploid

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