Huntington’s disease is a dominant single-gene disorder. This means that
a. it can only be passed on if both parents have the allele for the disease.
b. it can be passed on if one or the other parent has the allele for the disease.
c. it can only be passed on if one parent has begun to have symptoms of the disease.
d. it will not be passed on if one parent has the allele for the disease and the other does not.
Answer: b. it can be passed on if one or the other parent has the allele for the disease.
You might also like to view...
Fifteen-month-old Teri cries when her mother drops her off at day care. Baby Teri is displaying
A. emotional empathy. B. reciprocal interaction. C. stranger anxiety. D. separation protest.
What is the five-year divorce rate for American couples in which both partners have four-year college degrees?
a. 6% b. 13% c. 20% d. 27%