In one of the first steps in meiosis,the
A) clearly defined spindle apparatus appears in the center of the cell.
B) chromatids separate and move to opposite ends of the cell.
C) half chromosomes are made inactive.
D) homologous pairs of chromosomes pair up along their length.
E) chromosomes become invisiblE.
Correct Answer:
Verified
Q1: The pairing of chromosomes along their lengths
Q3: Evidence of crossing over can often be
Q4: P.J.van Beneden proposed that an egg and
Q5: _ cells such as gametes contain one
Q6: The zygote has
A)one copy of each chromosome.
B)one
Q7: Sexual reproduction is significant in increasing genetic
Q8: The fusion of male gamete cells with
Q9: _ is a process of nuclear division
Q10: Sexual reproduction and the close association between
Q11: In animals,the cells that will eventually undergo
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