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Terms in this set (343)
Which type of genetic disease Sex-Linked recessive. Since males only have
affects males more frequently one X and one Y, if the affected chromosome
than females? has the illness, it will be expressed.
In which two conditions are Intellectual disability and fetal miscarriage.
chromosomal abnormalities the Chromosome abnormalities are the leading
leading known cause? known cause of intellectual disability and
fetal miscarriage.
What are three examples of Chorionic villus sampling (CVS), amniocentesis,
prenatal diagnostic studies? and preimplantation genetic testing (PGT) are
examples of prenatal diagnostic studies and
are performed in vitro. CVS is a form of genetic
testing that provides genetic information found
in utero and is usually performed between
weeks 11 and 14 of pregnancy. An
amniocentesis is a form of genetic testing
,that evaluates amniotic fluid and is usually
performed during the second trimester,
between weeks 15 and 20 of pregnancy.
PGT is performed on the embryo prior
to implantation.
, Which genetic disorder is Cri du chat syndrome (translated as "cry of the
characterized by the presence cat") is caused by a DNA deletion. This term
of a zygote having one describes the cry often heard from a baby
chromosome with a normal affected by the syndrome. Cri du chat
complement of genes and one syndrome can present as a microcephalic,
chromosome with a missing low birth-weight baby with a
gene? piercing cry.
How can an X-linked recessive The disease can be transmitted through female
disease skip generations? carriers.
Since females have two copies of the X
chromosome, the mother may provide an
unaffected X to a daughter or son.
Furthermore, a daughter may not show signs
of the disease because she has the other X
(the only X the father can give to a
female) to cancel it out.
Which type of risk is referred to Relative risk is a ratio of probability, not an
as the ratio of the disease rate actual occurrence of disease.
among the entire population to
the disease rate in an
unexposed population?
What are the empirical risks Many factors from lifestyle to genetics affect
for most multifactorial multifactorial diseases. Observation and
diseases based on? evaluation of each case individually provides
the most thorough and accurate assessment.
What refers to the silenced gene The imprinted gene is the silent gene of a gene