Biology. Meiosis. How are chromosomes classified?. Autosomes - 1 st 22 pairs of chromosomes Sex chromosomes- last set of chromosomes that determine gender Females only carry X chromosomes in egg Males carry X or Y in sperm If XX- girl If Xy- boy.
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What is the difference between dominant & recessive alleles?
1 mature egg,
3 polar bodies which break down
Women born with all eggs they will have.
Egg is much larger
Have all X chromosomes
Has no method of movement
Produces:4 mature sperm
Males begin to produce sperm after puberty, produced constantly until death
Much smaller than egg
May have X or Y chromosomes
Have flagella to move