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Mendel crossed purebred purple-flowered plants with purebred white-flowered plants, and all of the resulting offspring produced purple flowers. The offspring are all ______,
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
An individual who is homozygous ______.
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
What is the probability of having offspring with recessive attached earlobes if one parent has attached earlobes & the other is heterozygous for free earlobe?
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
In humans, the presence or absence of dimples is a trait controlled by a single gene. What is the genotype of an individual who is heterozygous for dimples?
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
Alleles are described as ______.
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
A purebred plant that produces yellow seeds is crossed with a purebred plant that produces green seeds. The seeds of all of the offspring are yellow. Why?
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
A couple has two female children. What is the probability that their next child will be male?
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
A mating between a purebred purple-flowered pea plant and a purebred white-flowered pea plant would produce a(n) ______.
alternate versions of a gene
The yellow allele is dominant to the green allele.
heterozygotes... dominant
50 %
carries two copies of the same allele for a gene
Dd
50%
hybrid
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