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Why are there two sets of phases during meiosis but only one during meiosis?
burr
When are four haploid cells formed?
in meiosis, or after the cell has split two times
When does replication happen during mitosis or meiosis?
Replication occurs during the S phase of the cell cycle before both mitosis and meiosis. In mitosis, the replicated DNA is separated into two identical daughter cells. In meiosis, the replicated DNA is separated into four haploid daughter cells with genetic variation.
What might happen if an egg cell received two X chromosomes during meiosis instead of one?
The offspring could have three X chromosomes or two X chromosomes and a Y chromosome.
What two factors introduce genetic variation during the process of meiosis?
The two factors that introduce genetic variation during the process of meiosis are independent assortment and chromosomal crossover. These occur during prophase 1 and anaphase 1 of meiosis.
What must happen before meiosis happen?
Before Meiosis 2, the cell must first go through Meiosis 1. This is when the cell splits into two cells, each with two chromosomes.
Why are there two sets of phases during meiosis but only one during meiosis?
burr
When are four haploid cells formed?
in meiosis, or after the cell has split two times
How many daughter cell are produced when chromosomes undergo meiosis?
A total of four daughter cells are created during meiosis. There are two phases of meiosis, meiosis 1 and meiosis 2. During meiosis 1 two daughter cells are created while during meiosis 2 four daughter cells are created.
When does replication happen during mitosis or meiosis?
Replication occurs during the S phase of the cell cycle before both mitosis and meiosis. In mitosis, the replicated DNA is separated into two identical daughter cells. In meiosis, the replicated DNA is separated into four haploid daughter cells with genetic variation.
Do crossovers usually occur during mitosis?
No, crossovers do not occur during mitosis. Crossovers, also known as genetic recombination, happen during meiosis, specifically during prophase I. Mitosis is the cell division process that results in two identical daughter cells, while meiosis is the cell division process that results in four genetically unique daughter cells.
Which does not occur during meiosis?
DNA replication does not occur during meiosis. Meiosis is a specialized cell division process that involves two rounds of division to produce gametes with half the number of chromosomes as the parent cell. DNA replication happens during the interphase preceding meiosis.
How many divisions occur in meiosis?
Meiosis does in fact divide twice, once in meiosis I (cytokinesis) and meiosis II (cytokinesis) basically it divides into four daughter cells at the end of meiosis. Two from meiosis I and four in meiosis II
What might happen if an egg cell received two X chromosomes during meiosis instead of one?
The offspring could have three X chromosomes or two X chromosomes and a Y chromosome.
What two factors introduce genetic variation during the process of meiosis?
The two factors that introduce genetic variation during the process of meiosis are independent assortment and chromosomal crossover. These occur during prophase 1 and anaphase 1 of meiosis.
Why are there two set of phases during meiosis but only one during mitosis?
burr
What two things happen in mitosis that don't happen in meiosis?
In mitosis, the process results in the formation of two genetically identical daughter cells, maintaining the same chromosome number as the parent cell. Additionally, mitosis involves a single round of cell division, whereas meiosis includes two rounds of division, leading to four genetically diverse daughter cells with half the chromosome number. These differences make mitosis essential for growth and repair, while meiosis is crucial for sexual reproduction.
