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Meisois

HBIO3 unit 6?

QuestionAnswer
Meiosis is The process of making gametes
Gametes are reproductive cells - eggs and sperm
Eggs are produced in ovaries of biological females
Sperm is produced in testes of biological males
In meiosis I (blank) separate Homologous pairs
In meiosis II (blank) separate Sister chromatids
Meiosis produces Four haploid cells
Causes of Genetic variation -Crossing over -Independent assortment -Random egg/sperm -Random mutation
A lot of genetic variation happens during Meiosis and reproduction
Crossing over is when Homologous pairs exchange genes
When does crossing over happen? During prophase I
Where does crossing over happen The Chiasma
Independent assortment is When homologous chromosomes separate during anaphase I
Blue eyes are an example of Random mutation
Meiosis I for females happens In utero (produced in the womb, 5000ish in. each overy)
Meiosis II for females begins During puberty, 1 egg released each month (right and left take turns)
Females have 2 (blank) chromosomes x
Males have a (blank) chromosome and a (blank) chromosome x and y
A zygote is a fertilized egg (23+23=46 chromosomes)
A polar body is A daughter egg cell with 46 chromosomes but no cytoplasm or organelles
A oocyte is A daughter egg cell with 46 chromosomes and extra cytoplasm and organelles (from polar body)
(blank number) of sperm is released per ejaculation (ew) 600000000ish bc the journey is hard and only 1 is able to make it to the zygote
Created by: erica.y
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