Fragile-X syndrome usually occurs as a result of
a. paternal age.
b. maternal age.
c. unusually high codon repeats on the X chromosome.
d. the inability to metabolize phenylalanine.
Question 2
Elizabeth's grandmother recently underwent a hip replacement operation. Because she took this course, Elizabeth is able to tell her grandmother that she
a. will need to be very careful, because the removal of her joint receptors means that she will not know the position of her hip without looking.
b. will have to relearn how to walk, as the operation removes joint receptors responsible for managing muscle stretch.
c. will still know the position of her hip without looking, even though her operation will remove all of her joint receptors.
d. should prepare to deal with phantom pain from the joint receptors that have been removed.
Maternal inheritance in the four-o'clock plant.
Maternal inheritance of mitochondrial mutant phenotype poky
Down Syndrome Nasal bridge
Effect of pH on drug absorption: (a) a weak acid such as aspirin (ASA) is in a nonionized form in an
A child with Down syndrome.
Incidence of Down syndrome births related to maternal age