P.J.van Beneden proposed that an egg and a sperm,each containing half the complement of chromosomes found in somatic cells,fuse to produce a single cell called a(n) _______.
A) zygote
B) karyotype
C) embryo
D) oocyte
Correct Answer:
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Q1: The pairing of chromosomes along their lengths
Q2: In one of the first steps in
Q3: Evidence of crossing over can often be
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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