Biology - DNA and inheritance Q&A

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Describe the process of mitosis
The chromosomes in a single cell replicate themselves. They then line up in the centre of the cell and are attracted to the poles of the cell as the cytoplasm splits in half. Two daughter cells are formed.
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Describe the process of meiosis
The beginning of the process is the same as in mitosis, producing two daughter cells in the process. These two new cells immediately split again forming 4 sex cells with a single set of chromosomes.
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How many pairs of chromosomes are there in a human cell?
There are 23 pairs of chromosomes.
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What are the 2 types of cell division?
Mitosis and meiosis
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What is the link between the nucleus, chromosomes, DNA, genes and alleles?
The nucleus is the part of the cell that contains genetic information. Chromosomes are found in the nucleus of a cell and are made up of genes. Genes are made up of the chemical DNA. An allele is a different form of the same gene.
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Card 2

Front

Describe the process of meiosis

Back

The beginning of the process is the same as in mitosis, producing two daughter cells in the process. These two new cells immediately split again forming 4 sex cells with a single set of chromosomes.

Card 3

Front

How many pairs of chromosomes are there in a human cell?

Back

Preview of the front of card 3

Card 4

Front

What are the 2 types of cell division?

Back

Preview of the front of card 4

Card 5

Front

What is the link between the nucleus, chromosomes, DNA, genes and alleles?

Back

Preview of the front of card 5

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