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17 Cards in this Set
- Front
- Back
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Define hybrid
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offspring with two alleles different |
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Define purebred |
offspring with two alleles the same |
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Define dominant |
stronger, more influential trait |
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Define recessive |
weaker, less influential trait |
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Who studied the inheritance of pea plants?
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Mendel |
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What is a cross? |
test to see how individuals inherit characteristics |
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How many chromosomes does a normal human cell contain? |
46 |
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Where are the genes fro a sex-linked trait carried? |
X-chromosomes |
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Explain incomplete dominance |
When 2 traits blend together |
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Explain polygenic inheritance |
When many genes determine what characteristics will show |
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Which parents genes determine the sex of the child? |
Father |
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Explain what a carrier is. |
Someone who has a trait but does not express it |
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What is the genetic makeup for a boy? |
XY |
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What is the genetic makeup for a girl? |
XX |
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What do Mendel's factors refer to? |
genes |
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What kind of characteristics is red-green colorblindness? |
Sex-linked trait |
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Can males and females be colorblind? |
yes |
