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because meiosis, unlike mitosis is not about cell duplication. It is about creating gametes which will eventually be combined to form a new organism. These gametes have 1/2 of the cell's chromosomes when meiosis is complete.
Because the purpose of meiosis is to reduce the genetic material in half, so the DNA replicates once, but the nucleus divides twice.
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What is the difference between telophase 1 and telophase 2?
Telophase 1 is the final stage of meiosis 1, where the two daughter cells have completed chromosome segregation, and nuclear envelopes start to form around the separated chromosomes. Telophase 2 is the final stage of meiosis 2, where four haploid daughter cells are produced, each with a single set of chromosomes after the second round of cell division.
Give example of mitosis cell division?
An example of mitosis cell division is when a skin cell undergoes mitosis to produce two identical daughter cells. During this process, the cell duplicates its genetic material, forms a mitotic spindle, aligns the chromosomes, and then separates the chromosomes into two separate nuclei to produce two identical cells.
An ass has 64 chromosomes and a mule is a horseass hybrid Descibe why there will be a difficulty in meiosis in mules?
Mules have an uneven number of chromosomes (63), which can lead to issues in pairing homologous chromosomes during meiosis. This can result in problems with chromosome segregation and cell division, leading to infertility in mules as viable gametes may not be produced.
How is evolution associated with DNA?
Evolution is associated with DNA because changes in DNA, through mutations and genetic variations, drive the process of evolution. These changes in DNA can lead to variations among individuals in a population, which can be passed on to future generations, ultimately influencing the genetic makeup of a species over time. Evolution acts on the genetic diversity present in a population, with DNA serving as the hereditary material that carries genetic information.
What is the difference between an adult hummingbird and a newborn hummingbird?
1 is smaller
What happens in meiosis 1 that does not happen in meiosis 2?
DNA is copied in meiosis 1.
What happens in meiosis that does not happen in meiosis 2?
DNA is copied in meiosis 1.
What happens in meiosis 1 that doesn't in meiosis 2?
DNA is copied
What happens in meiosis 1 that doesnt occur in meiosis 2?
dna is copied
What happens in meiosis 1 that doesn't happen in meiosis 2?
DNA is copied
What happens in meiosis 1 that does not occurs in meiosis 2?
DNA is copied (for novanet cheaters)
What happens in meiosis 1 that doe not occur in meiosis 2?
DNA is copied (for novanet cheaters)
In mitosis how many times is the DNA copied?
The DNA is copied once during the S phase of the cell cycle, which occurs before mitosis. This ensures that each daughter cell receives a complete set of chromosomes.
Which phase has a resting period between meiosis 1 and 2?
dna
What happens before meiosis?
Before meiosis, the cell undergoes interphase, a period of growth and DNA replication. This ensures that each chromosome has been duplicated, resulting in two identical sister chromatids held together by a centromere.
Meiosis have 1 duplication?
Yes. In meiosis, the DNA is replicated once and the cell divides twice.
What is the period called after telophase 1?
The period after telophase 1 is interkinesis. It is a short resting phase between meiosis I and meiosis II where no DNA replication occurs.
