B1

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Where in a body's cells are chromosomes found?
The nucleus.
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What is the unit of inheritance called?
The gene
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What are alleles?
Alleles are different forms of a gene.
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Human body cells contain how many pairs of chromosomes?
23 pairs
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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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You only need one copy of the faulty allele to have Huntington's disease. This means the allele is:
Dominant
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Neonatal screening is carried out:
After birth.
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A false negative means:
test shows that a person does not carry a certain allele when they do.
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Insurance companies may want to know the results of genetic tests that you have. The reason for this is...
Not give you cover for any identified conditions in order to reduce the amount of money they will need to pay out.
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What is asexual reproduction?
It requires just one parent.
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Non-specialised embryo cells are called:
Stem cells
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One advantage of therapeutic cloning is that:
The donor cells will not be recognised as foreign by the recipient's body
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Other cards in this set

Card 2

Front

What is the unit of inheritance called?

Back

The gene

Card 3

Front

What are alleles?

Back

Preview of the front of card 3

Card 4

Front

Human body cells contain how many pairs of chromosomes?

Back

Preview of the front of card 4

Card 5

Front

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

Back

Preview of the front of card 5
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