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Genetics

TermDefinition
Which chromosomes determine sex? X & Y
Are the same genes found on the X & Y chromosome and which one is bigger? The same genes are not present in both chromosomes and the Y is smaller than the X.
What chromosome is responsible for color blindness and hemophilia? Why are the sex linked diseases. The X chromosome. They are sex linked diseases because they are found on either the X or Y chromosome.
Why can females be heterozygous or homozygous but males cannot. (With sex linked genes) With sex linked genes the X chromosome can have both the dominant and recessive where the male (XY) can only have one or another.
Why is the female carrier always heterozygous for an X linked trait? Female carriers for X-linked recessive alleles are always heterozygous since they require a dominant allele and a recessive allele to be carriers.
Polygenetic Inheritance Involves two or more genes influencing the expression of one trait.
Created by: JefeBossMan
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