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How do most fossils form?
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
What genetic disorder results in abnormally shaped blood cells?
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
What does the notation tt mean to geneticists
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
Sex-linked genes are genes on
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
What is the genetic code?
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
If a homozygous black guinea pig (BB) crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
Factors that control traits are called
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
An organisms physical apearance is its
the order of nitrogen bases along a gene
a dead organism becomes buried in tar
heterozygous
50 percent
genes
one dominate and one recessive allele
the X and Y chromosomes
Down syndrome
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