B1 - You and your genes questions & answers

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Where is genetic material found?
The nucleus
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How many pairs of chromosome are in the human body?
23 pairs
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What is the long molecule of DNA called?
Chromosome
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What is a short length of a chromosome called?
Gene
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What controls the development of different characteristics?
Genes
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What are the different versions of genes called?
Alleles
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Each gene is a code for making..?
Proteins
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What is the genetic make-up of an organism called
Genotype
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What does heterzygous mean?
A pair of alleles for a characteristic are different.
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What does Homozygous mean?
A pair of alleles for a characteristic are the same.
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Are dominant alleles shown with capital or lowercase letters?
Capital letters.
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Are recessive alleles shown with capital or lowercase letters?
Lowercase letters
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What do the 23rd pair of chromosomes decide?
The child's sex.
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Is XY male or female?
Male
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is XX male or female?
Female
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What disease is caused by a faulty recessive allele?
Cystic fibrosis
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What disease is caused by a faulty dominate allele?
Huntington's disease
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What is the chance of miscarriage with embryonic testing?
0.5 - 1%
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Card 2

Front

How many pairs of chromosome are in the human body?

Back

23 pairs

Card 3

Front

What is the long molecule of DNA called?

Back

Preview of the front of card 3

Card 4

Front

What is a short length of a chromosome called?

Back

Preview of the front of card 4

Card 5

Front

What controls the development of different characteristics?

Back

Preview of the front of card 5
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