You and Your genes

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Where in a body's cells are chromosomes found?
Chromosomes are found in the nucleus
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What is the unit of inheritance called?
The unit of inheritance is called the gene
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What are alleles?
Different forms of a gene
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To have cystic fibrosis, how many faulty alleles must an individual have inherited from their parents?
To have cystic fibrosis, an individual must have inherited two faulty alleles from their parents; one from their father and one from their mother
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Why are identical twins similar to each other?
Identical twins are very similar to each other, mainly because they have identical genetic information
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You only need one copy of the faulty allele to have Huntington's disease. This means the allele is:
It means the allele is dominant
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Human body cells each contain:
Human body cells each contain 23 pairs of chromosomes
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Card 2

Front

What is the unit of inheritance called?

Back

The unit of inheritance is called the gene

Card 3

Front

What are alleles?

Back

Preview of the front of card 3

Card 4

Front

To have cystic fibrosis, how many faulty alleles must an individual have inherited from their parents?

Back

Preview of the front of card 4

Card 5

Front

Why are identical twins similar to each other?

Back

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