The nuclear DNA content of a single sperm cell varies depending on the species of the...
The nuclear DNA content of a single sperm cell varies depending on the species of the organism. If the amount of DNA in a single sperm cell is 0.25 picogram(s), What would be the expected nuclear DNA content of a somatic cell (a non sex cell) in the G2 phase of the cell cycle? Please show work.
Homework Answers
Sperm cell is a Haploid cell.
• Diploid cells have two complete sets of chromosomes, while
haploid cells only have one complete set of chromosomes.
Chromosomes are made up of DNA, it means a Diploid cell has double
amount of DNA as compare to a haploid cell.
DNA amount in haploid cell(sperm) = n
DNA amount in a diploid cell = 2n.
• A cell cycle is divided into G1,S,G2 and M phase. During "S
phase" or synthesis phase, DNA replication occurs and amount of DNA
is doubled.
Now-
DNA amount in a G2 phase of diploid cell = 4n
So answer is.
4×.25=1 picogram.
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The nuclear DNA content of a single sperm cell varies depending
on the species of the...
The nuclear DNA content of a single sperm cell varies depending on the species of the...
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