Which of the following statements about sex chromosomes is true?
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 new organism is determined by whether an X-bearing or a Y-bearing sperm fertilizes the ovum.
Correct Answer:
Verified
Q13: An estimated 21,000 _, which directly affect
Q14: Chromosomes
A) store and transmit genetic information.
B) come
Q15: Gametes are formed during a cell division
Q16: The genetic variability produced by meiosis is
A)
Q17: Each rung of the DNA ladder
A) is
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Q20: Taylor's twenty-third pair of chromosomes is XY.
Q21: Heterozygous individuals with just one recessive allele
Q22: If the alleles from both parents are
Q23: Which of the following statements about dominant
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