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Zygosity (the noun, zygote, is from the Gr****
zygotos "yoked," from
zygon "yoke") (/zaɪˈɡɒsɪti/) is the
degree to
which both
copies of a
chromosome or...
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divergent genotypes.
Underdominance exists in
situations where the
heterozygotic genotype is
inferior in
fitness to
either the
dominant or recessive...
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Epistasis is a
phenomenon in
genetics in
which the
effect of a gene
mutation is
dependent on the
presence or
absence of
mutations in one or more other...
- redundantly, so it is only
necessary for one of the
three groups to be
heterozygotic for the A
locus to work. Similarly, the B
locus ensures heterothallism...
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species (P.
racemosa species aggregate), with the
exception of one
heterozygotic P.
oaxacana po****tion from
northcentral Oaxaca. The
genus Plat****...
- deuteranomaly). The
biological basis for this
phenomenon is X-inactivation of
heterozygotic alleles for
retinal pigment genes,
which is the same
mechanism that...
-
reflects the
dominant allele.
Gametes are
created by
random segregation.
Heterozygotic individuals produce gametes with an
equal frequency of the two alleles...
- segregate, so that each
gamete carries only one
allele for each gene.
Heterozygotic individuals produce gametes with an
equal frequency of two alleles....
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frequencies of heterozygotes, and an
elevated level of
heterozygote fitness,
heterozygotic advantage may also be
called "overdominance" in some literature. A well-studied...
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disease has a 50%
chance of
inheriting the condition, if the
parent is
heterozygotic. However, most
cases arise de novo as the
result of
sporadic mutations...
