You and your genes

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Where in a body's cells are chromosomes found?
the nucleus
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Which is the largest?
chromosome
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Which of the following human characteristics is caused by environmental variation?
language spoken
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dentical twins are very similar to each other, mainly because:
they have identical genetic information
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What is the unit of inheritance called?
the gene
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What are alleles?
different forms of a gene
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Which statement about the inheritance of gender is correct?
Sperm cells can carry X or Y chromosomes
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Human body cells each contain:
23 pairs of chromosomes
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To have cystic fibrosis, how many faulty alleles must an individual have inherited from their parents?
Two - one from their father, 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:
the 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...
they won't have to cover you for any identified conditions in order to reduce the amount of mony they will need to pay out.
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Which statement about asexual reproduction is correct?
It requires just one parent.
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In general, where can the donor nucleus come from in fusion cell cloning?
An embryo cell or adult cell.
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In gene therapy, one step involves:
getting copies of a normal allele into the patient's cells.
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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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Which type of cloning involves separating cells from the same embryo to produce multiple offspring?
Embryo cloning
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Which type of cloning involves replacing the nucleus of an unfertilised egg with one from a different cell?
Fusion cell cloning
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If a body cell taken from sheep A is fused with an egg cell from sheep B, and put into the host mother sheep C, the resulting lamb will be a clone of:
Sheep A
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Card 2

Front

Which is the largest?

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chromosome

Card 3

Front

Which of the following human characteristics is caused by environmental variation?

Back

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Card 4

Front

dentical twins are very similar to each other, mainly because:

Back

Preview of the front of card 4

Card 5

Front

What is the unit of inheritance called?

Back

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