-
allele and one
mutant allele) of a gene. The cell or
organism is
called a
heterozygote specifically for the
allele in question, and therefore, heterozygosity...
- A
heterozygote advantage describes the case in
which the
heterozygous genotype has a
higher relative fitness than
either the
homozygous dominant or homozygous...
- F1-generation is
further crossed with the F1-generation (
heterozygote crossed with
heterozygote) the
offspring (F2-generation) will
present the phenotype...
- polymorphism. The two
major and most
studied are
heterozygote advantage and frequency-dependent selection. In
heterozygote advantage, or
heterotic balancing selection...
-
according to
which of the two
homozygous phenotypes the
heterozygote most resembles.
Where the
heterozygote is
indistinguishable from one of the homozygotes...
-
disease in a
heterozygous state; that is, an
organism is a
compound heterozygote when it has two
recessive alleles for the same gene, but with
those two...
- in one
heterozygote.
Instead the
phenotype is
intermediate in
heterozygotes. Thus you can tell that each
allele is
present in the
heterozygote. Codominance...
-
phenotype of the
heterozygote lies
outside the
phenotypical range of both
homozygous parents.
Overdominance can also be
described as
heterozygote advantage regulated...
- The
following example illustrates a
dihybrid cross between two double-
heterozygote pea plants. R
represents the
dominant allele for
shape (round), while...
- homozygotes, f(aa) = q2 for the aa homozygotes, and f(Aa) = 2pq for the
heterozygotes. In the
absence of selection, mutation,
genetic drift, or
other forces...
