The process of crossing-over occurs during Prophase I of meiosis Prophase II of meiosis Metaphase I of meiosis Anaphase I of meiosis The process of meiosis involves:: one DNA replication and one cell division two DNA replications and two cell divisions one DNA replication and two cell divisions two DNA replications and one cell division Sporic meiosis, where both the haploid and diploid stages of the life cycle are multicellular, is characteristic of animals bacteria fungi plants
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:
The process of crossing-over occurs during
Prophase I of meiosis |
|
Prophase II of meiosis |
|
Metaphase I of meiosis |
|
Anaphase I of meiosis |
The process of meiosis involves::
one |
|
two DNA replications and two cell divisions |
|
one DNA replication and two cell divisions |
|
two DNA replications and one cell division |
Sporic meiosis, where both the haploid and diploid stages of the life cycle are multicellular, is characteristic of
animals |
|
bacteria |
|
|
|
plants |
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