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Different Types of Crosses
Incomplete Codominance Sex-linked
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Review: Simple Mendelian Crosses
Monohybrid Dihybrid
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Incomplete Dominance Neither allele is dominant.
The heterozygous is a MIX of the two genes.
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# 1. Heterozygous parents.
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# 1. Heterozygous parents.
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Co-dominance Both genes are dominant. The heterozygous is BOTH.
Notice that BOTH letters are used in upper case!
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#2. Mother with dominant red scales x with father with dominant yellow scales.
What would a heterozygous child look like? Oh, this is a snake.
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Sex-linked Traits The gene is located on either a part of the Y or X chromosomes that do not overlap with each other. Example: Hemophilia
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Sex-linked Traits The gene is located on either a part of the Y or X chromosomes that do not overlap with each other. Example: Hemophilia
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Incomplete Dominance and Codominance Interactive Website
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