92 In women, gametogenesis begins in fetal life, but is arrested in prophase of meiosis I for years until just before ovulation. This arrested oocyte is called the "primary oocyte". The human genome...
Two (2). Before DNA replication, each chromosome is composed of a single chromatid. After replication, but before separation of the chromatids during anaphase, this is true.
If we use the word "chromatid", there are always two. (As with twins!)
In a eukaryotic cell immediately after cell division (mitosis or meiosis), each chromosome contains only one DNA molecule....