If the process of 'zipping up' of chromosomes before crossing over were impaired in germ cells, would all of the resulting sperm have the exact same DNA, with no diversity? Why or why not?

What will be an ideal response?


No, because the process of chromosome segregation would still produce sperm with different combinations of maternal and paternal chromosomes. The maternal and paternal chromosomes of a homologous pair randomly sort into gametes during the formation of each gamete.

Biology & Microbiology

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When the chromosome is most condensed, which

of the following is true? a. Proteins are used to wind up the DNA. b. They are less susceptible to radiation. c. Lipid droplets form “beads on a string.” d. Carbohydrates wind the DNA into clusters. e. None of these are true.

Biology & Microbiology

Hormone therapy, if administered early, is effective in treating genetic goitrous cretinism. Indicate whether the statement is true or false

Biology & Microbiology

Which molecule is not directly involved in the process of translation?

A) ribosome B) tRNA C) mRNA D) DNA

Biology & Microbiology

In transcription, the base thymine in DNA will pair opposite the base ____ in mRNA. 

A. uracil B. guanine C. cytosine D. adenine

Biology & Microbiology