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Genetics
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Which is the recessive trait?
Blue eyes
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What is a section of DNA called?
Gene
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how many genes do humans have?
20,000- 25,000
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True or false: Chromosomes contain genes
True
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name another base of DNA that was not mentioned
Thymine, Guanine, Adenine, Cytosine
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name a base of DNA
Thymine, Guanine, Adenine, Cytosine
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If stretched out, how long is a DNA?
1.8 M or 6 feet long
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What are the two different alleles?
Dominant and recessive
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DNA has a double _______ structure
Helix
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What is the passing down of traits from generation to generation?
Heredity
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How many pairs of chromosomes do humans have?
23 pairs (46 total)
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Where is genetic material stored in the cell?
The Nucleus
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