ellenharley7
23.04.2021 •
Biology
He Human Genome Project is designed to .
A) find the location of every human gene
B) discover the structure of a DNA molecule
C) determine the relationship between DNA and genes
D) determine the role of DNA in heredity
Solved
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Ответ:
B, Meiosis I
Explanation:
During meiosis I, genetic material halves, and you get 2 haploid cells (n) from a diploid cell (2n). Those divide again during meiosis II to form 4 different haploid cells.
DNA replicates during interphase and starting at meiosis I, 2n homolog chromosomes attach to form n tetrads. Those tetrads align in the cellular equator during metaphase I and then separate, moving to opposite poles during anaphase I. Each cell formed receives a copy of each chromosome and then divides in a process similar to mitosis during meiosis II.