Cell division and growth

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How are chromosomes arranged in body cells
In pairs
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What is mitosis
Type of cell division that produces identical new cells
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how does cell differentiation differ plants and animals
animal cells differentiate early in development but plant cells maintain the ability to differentiate throughout their lives
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What is meiosis
Cell division when Chromosome numbers are reduced by half
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How does sexual reproduction give rise to variation
Genetic material from two parents is combined
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What is special about stem cells
Are not specialised but can differentiate into many different types of cell when required
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What are chromosomes
Large molecules of DNA
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What is a gene
small section of DNA
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What is sex determined by
X and Y chromosomes
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what control characteristics
alleles (different form of a gene)
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How are genetic disorders in humans inherited
By genes
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What is polydactyly caused by
A dominant allele
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What is cystic fibrosis caused by
A recessive allele
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Card 2

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What is mitosis

Back

Type of cell division that produces identical new cells

Card 3

Front

how does cell differentiation differ plants and animals

Back

Preview of the front of card 3

Card 4

Front

What is meiosis

Back

Preview of the front of card 4

Card 5

Front

How does sexual reproduction give rise to variation

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