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Ascorers PassTips Excellence Calibre stuvia Honors Biology- Meiosis Test with Solutions
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Ascorers PassTips Excellence Calibre stuvia Honors Biology- Meiosis Test with Solutions
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Honors Biology- Meiosis Test with SolutionsWhy is crossing over important? - ✔✔Variations! (Natural Selection,
differences, yadda yadda yadda) When homologous chromosomes exchange
information and create Variations. This creates natural selection and seperates
us from each other (Evolution)
Nondisjunction - ✔✔when chromosomes don't seperate properly in meiosis
Monosomy - ✔✔Baby gets only ONE particular copy of chromosomes
Trisomy - ✔✔Baby gets THREE copies of particular Chromosomes
Trisomy 21 - ✔✔When THREE copis of Chromosome 21 are made... Causes:
Down Syndrome
Mental Handicap
Heart Problems...
Male Sex Chromosomes - ✔✔XY
Female Sex Chromosomes - ✔✔XX
Ascorers PassTips Excellence Calibre stuvia
, Autosomes - ✔✔Non-sex chromosomes, chromosome that is not a sex
chromosome
Gametes - ✔✔Contain Sex Chromosomes
Egg Cells - ✔✔Haploid because the meet other types of cells like these...
Zygote - ✔✔Fertilized egg, Diploid cell
Karyotype - ✔✔Picture of chromosomes in pairs... study of Genetic makeup
Meiosis 1 - ✔✔has 46D Chromosomes in all cells
Telophase 1 - ✔✔has 23D Chromosomes in all cells
Telophase 2 - ✔✔has 23 Chromosomes in all cells Made
Anaphase 1 - ✔✔Spindle Fibers pull Homologus chromosomes to opposite
poles of cell
Polar Body - ✔✔the three female eggs that DON'T get fertilized!
Ascorers PassTips Excellence Calibre stuvia
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