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DNA is copied
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What happens during meiosis during anaphase 1?
The tetrads are pulled apart.
When does crossing over happen in mitosis 1?
Mitosis does its crossing over in prophase
What happens in meiosis in anophase 1?
Another way to increase genetic diversity is the process referred to as anaphase one. The is the third stage of meiosis, which is where chromosomes are loosened.
Does meiosis double the parental chromosomes number?
Meiosis 1
What is the first phase in meiosis?
Meiosis 1: Prophase 1, Metaphase1, Anaphase 1, Telophase 1. Meiosis 2: Prophase 1, Metaphase 2, Anaphase 2, Telophase 2. Makes 4 daughter cells that contain 4 chromosomes each.
What happens in meiosis 1 that doesnt occur in meiosis 2?
dna is copied
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 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)
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.
What happens during meiosis during anaphase 1?
The tetrads are pulled apart.
What stage of cell division would down's syndrome occur?
Down syndrome (trisomy 21) occurs when a gamete carrying an extra copy of chromosome 21 is involved in a fertilization event.The gamete (whether sperm or oocyte) has an extra copy of chromosome 21 because of something called NONDISJUNCTION. This happens when a chromosome gets pulled to the wrong daughter cell.This can happen either in meiosis I or meiosis II.If nondisjunction happens in meiosis I, 2 gametes will be n+1 (have the extra copy of 21) and the other 2 gametes will be n-1 (will have NO copy of 21)If nondisjunction happens in meiosis II, 2 gametes will be normal, one will be n+1 and one will be n-1.
What does not Happen between meiosis 1 and mesios2 that pervents chromosomes from replicating again?
nondisjunction
When does crossing over happen in mitosis 1?
Mitosis does its crossing over in prophase
What happens in meiosis in anophase 1?
Another way to increase genetic diversity is the process referred to as anaphase one. The is the third stage of meiosis, which is where chromosomes are loosened.
