Somatic cells of chimpanzees contain 48 chromosomes.How many chromatids and chromosomes are present at: (a) anaphase of mitosis, (b) anaphase I ofmeiosis, (c) anaphase II of meiosis, (d) G1 priorto mitosis, (e) G2 prior to mitosis, (f) G1 prior tomeiosis I, and (g) prophase of meiosis I?How many chromatids or chromosomes are presentin: (h) an oogonial cell prior to S phase, (i) a spermatid, (j) a primary oocyte arrested prior to ovulation,(k) a secondary oocyte arrested prior to fertilization,(l) a second polar body, and (m) a chimpanzee sperm?
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
Somatic cells of chimpanzees contain 48 chromosomes.
How many chromatids and chromosomes are present at: (a) anaphase of mitosis, (b) anaphase I of
meiosis, (c) anaphase II of meiosis, (d) G1 prior
to mitosis, (e) G2 prior to mitosis, (f) G1 prior to
meiosis I, and (g) prophase of meiosis I?
How many chromatids or chromosomes are present
in: (h) an oogonial cell prior to S phase, (i) a spermatid, (j) a primary oocyte arrested prior to ovulation,
(k) a secondary oocyte arrested prior to fertilization,
(l) a second polar body, and (m) a chimpanzee sperm?
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