Regulatory genes:
A) initiate or block the activity of other genes
B) were originally thought by Mendel to be responsible for violet-colored flowers in the pea plant
C) "cut" DNA at specific sites
D) all of the above
Correct Answer:
Verified
Q40: The gene that determines male sex is
Q41: XXX individuals are said to have:
A)Patau syndrome
B)Edward
Q42: An abnormal fetus can sometimes be detected
Q43: A person with Klinefelter's syndrome:
A)is phenotypically male
B)is
Q44: XYY individuals are said to have:
A)Klinefelter's syndrome
B)Turner's
Q46: A person is phenotypically male only if
Q47: The regulation of the expression of a
Q48: Persons with Turner's syndrome:
A)are phenotypically male
B)have a
Q49: Amniocentesis is a technique for determining:
A)if the
Q50: One form of Down syndrome is due
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