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On a pedigree chart, a white square indicates what.
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
Hemophilia is caused by
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
A carrier is a person who has
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
Factors that control traits are
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
Why do geneticists use pedigrees?
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
On a pedigree chart, a half shaded circle indicates what?
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
Which combination of sex chromosomes results in a male?
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
Which genetic disorder results in abnormally shaped blood cells
one recessive and one dominate allele for a trait
to trace inheritance of specific traits in a family
XY
Sickle-Cell Anemia
genes
recessive allele on the X chromosome
female carrier
normal male
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