Under what circumstances can Down syndrome 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:
Verified
Q6: In his work on pea plants,Mendel found
Q7: Why is Transfer RNA important to the
Q8: Which of the following are complementary bases
Q9: Gametes are _ cells.
A)diploid
B)haploid
C)homologous
D)somatic
Q10: What does DNA replication produce?
A)four identical daughter
Q12: When did Prokaryotes first appear?
A)10,000 years ago
B)1
Q13: How do Hox genes appear to function?
A)in
Q14: Why is nuclear DNA important for protein
Q15: mtDNA is found _ and is _.
A)in
Q16: How does RNA differ from DNA?
A)RNA uses
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