If an organism has 6 pr of chromosomes, how many # of chromosomes at end of cell cycles: G1, S, G2?

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If an organism has 6 pr of chromosomes, how many # of chromosomes at end of cell cycles: G1, S, G2?

2007-04-28 13:55:18 · 2 answers · asked by Stacy 3 in Science & Mathematics ➔ Biology

What about the end of the cell cycle M?

2007-04-29 14:15:41 · update #1

2 answers

G1 SAME

S DOUBLE

G2 CELL DIVISION..

2007-04-28 14:00:25 · answer #1 · answered by zig 2 · 1⤊ 1⤋

At end of G1 - still 6 pr or 12 chromosomes
At end of S - still 6 pairs or 12 chromosomes - It's just that the DNA has been doubled so that the chromosomes will be double-stranded when they condense in prophase.

At end of G2 - still 6 pairs or 12 chromosomes (each double-stranded.)

2007-04-28 13:59:16 · answer #2 · answered by ecolink 7 · 0⤊ 0⤋