Down syndrome can occur
A) as a result of translocation during mitosis.
B) because of nondisjunction, which yields an extra chromosome.
C) most frequently in the offspring of women under the age of 40.
D) most frequently in the offspring of men under the age of 40.
Correct Answer:
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Q6: In his work on pea plants,Mendel found
Q10: The gene responsible for lactose persistence among
Q11: Transcription
A) occurs in the nucleus.
B) occurs in
Q12: Nucleotide bases in nuclear DNA include all
Q13: Hox genes
A) appear to function in similar
Q14: Haplotypes are
A) not likely to recombine during
Q16: RNA differs from DNA in that it
Q18: Complementary bases in DNA are
A) adenine and
Q19: Somatic cells include all of the following
Q20: Gametes are
A) diploid.
B) haploid.
C) produced during mitosis.
D)
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