DOES A HUMAN CELL HAVE 46 DOUBLE OR SINGLE STRANDED CHROMOSOME?
Also, in my book, it says that during interphase, the cell replicates its DNA. Does that mean that the number of chromosomes are doubled?
2007-01-28 05:18:15 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Biology
the cell starts out with a haploid number which would be 23 in humans. then i meiosis one or two it turns into a diploid which gives you 46 chromosomes.
2007-01-29 03:35:32 · answer #1 · answered by kelly 3 · 0⤊ 0⤋
Humans have 46 double stranded DNA molecules in every cell of their body except gametes. Each of the chromosomes has one double stranded DNA molecule wrapped around lots of proteins.
During interphase the DNA does duplicate so that the cell actually enters mitosis with 92 copies of the chromosomes.
2007-01-28 05:29:15 · answer #2 · answered by Cindy B 5 · 1⤊ 0⤋
the chromosomes aren't doubled, the individual strands of DNA are. humans have 46 single-stranded chromosomes, but they are copied and divied between cells during mitosis.
2007-01-28 05:23:46 · answer #3 · answered by The Frontrunner 5 · 0⤊ 0⤋