Which of the following is true about sex chromosomes?
A) The Y chromosome is large and long, and the X chromosome carries most of the genetic material.
B) Both boys and girls are born with several pairs of X and Y chromosomes.
C) When gametes form in females, the X and Y chromosomes separate into different cells.
D) The sex of a baby is determined by whether an X-bearing or a Y-bearing sperm fertilizes the ovum.
Correct Answer:
Verified
Q8: Hair color is an example of a
A)
Q12: Which of the following is a major
Q15: Twenty-two matching pairs of chromosomes are
A) sex
Q16: Taylor's twenty-third pair of chromosome is XY.
Q17: Each rung of the DNA ladder
A) is
Q18: Gametes
A) are formed during mitosis.
B) contain only
Q19: Research demonstrates that
A) it takes a change
Q20: Directly observable characteristics are affected by an
Q22: Fragile X syndrome
A) is an example of
Q25: When a harmful allele is carried on
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