Meiosis refers to
A) chromosomes dividing and duplicating themselves during sperm production.
B) when sperm fail to divide properly.
C) an absence of chromosomes during the sperm production process.
D) Both B and C are correct.
Question 2
The hormone testosterone is important in the development of the male fetus because it
A) causes the degeneration of the female duct system.
B) promotes the formation of the external genitals.
C) promotes the transformation of indifferent gonads into fetal testes.
D) promotes the further growth of the male (Wolffian) duct system.
Origins of replication in the chromosomes of different organisms
Dividing bacterial cells
Great Britain Production of Glass 1800s
Human chromosomes. (A) Female. (B) Male.
World Crude Oil Production, 1900–2010
If nondisjunction (the improper separation of chromosomes) occurs during meiosis, the eggs or sperm