Biology, 07.05.2021 21:10, paytonpaige22
According to this diagram, the result of spermatogenesis is four sperm cells, each with - A. genetically identical strands of DNA B. strands of DNA that resulted from crossing over
C. half of the original number of chromosomes
D. complete copies of all original chromosomes
Answers: 1
Biology, 22.06.2019 05:20, ingle75
Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean
Answers: 2
Biology, 22.06.2019 15:40, mesposito
During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
Answers: 1
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