Not exact matches
Evolution occurs when the offspring differ
from the
parent's genetics, so a bird that was almost a chicken laid an egg
with the
genes for the «first» chicken.
In Martin's view, the result strongly suggested that the patients had inherited the silenced
gene from one of their
parents, like the case
with agouti mice.
When an altered X chromosome is passed down to female offspring, Gantz reasoned, the
gene drive should convert the normal X
from the other
parent into one
with a broken yellow
gene.
The researchers say that the higher the coefficient, the likelier that children would inherit pairs of faulty
genes,
with no prospect of a «good»
gene from either
parent to compensate.
The resulting chicks will identify
with one or the other of the
parent species through song and appearance, but they will carry
genes from both
parents.
For many, this isn't an issue because the donor's mitochondria contribute just 37
genes to the child, compared
with more than 20,000
from the
parents.
But if you knew that the effect of a drug had a lot to do
with whether you inherited specific
genes from your mother or father, then you could design an experiment that would include
parents.
But because the fetus's sequences were inferred
from their
parents»
gene scans, whole - genome sequences of the
parents (rather than a comparison
with 900,000 points) are needed to get a complete fetal genome, Lo says.
Unlike
genes, which are almost exclusively transmitted «vertically» —
from parent to offspring — fairy tales can also spread horizontally when one culture intermingles
with another.
As we take our first bites, our
parents supply us simultaneously
with both nature (
genes) and nurture (environment in its broadest sense, including everything
from cuisine to family dynamics to religion to cutlery and table manners to the ethics of meat to views on whether it's acceptable to eat food off the floor if it was there for only five seconds).
The result is a reproductive cell
with a mosaic, or patchwork, of
genes, about half
from each
parent, but shuffled together into entirely new combinations.
The physical and personal traits a person winds up
with are just one big roll of the dice,
with only the biological
parents»
genes to draw
from.
An interesting corollary here is that around 14 % of diagnoses involved an autosomal dominant disease
gene with a variant inherited
from a
parent.
A dog
with a phenotype of Irish, could actually have a genotype of SiSi (inherited the Irish
gene from both
parents) or SiSp, (inherited one Irish
gene and one pied
gene).
With designer dogs, however, there is no guarantee which
genes the puppies will inherit
from either
parent — it could be the best of both dogs, the worst of both, or a combination of the two.
You could end up
with anything
from 20 to 50 pounds (9 - 22 kg) depending on which of its
parents»
genes are dominant.
Of course, there's good reason for «pedigree» — it means that the dog or cat has been bred without genetic illnesses,
from parents with good
genes.
Cats affected
with hip dysplasia inherit the
gene from both
parents, even if neither
parent shows outward signs of the disease.
A dog
with normal patellas whose dam had luxating patellas will likely be carrying a much higher number of the
genes needed to produce luxating patellas than a dog
from two normal
parents.
Perhaps the most compelling evidence to this effect comes
from Dutch research indicating that the anticipated effects of daily hassles on sensitive
parenting was most pronounced in
parents with a combination of
genes leading to the least efficient dopaminergic system functioning (COMT val / val or val / met, DRD4 - 7Repeat).