Crossing Over/Nondisjunction
Assessment
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GIVE West
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Biology
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9th - 10th Grade
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46 plays
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Medium
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14 questions
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1.
Multiple Choice
What is the primary cause of genetic variation during meiosis?
chromosomes lining up
"crossing over" of chromosomes
separation of chromosomes
chromosomes pulling apart
2.
Multiple Choice
The process of "crossing over" occurs in what phase of meiosis?
anaphase 1
prophase 1
prophase 2
telophase 2
3.
Multiple Choice
A pair of identical chromosomes (one inherited from mom and one inherited from dad) are called ______________________________.
sister chromotids
centromeres
homologous chromosomes
autosomes
4.
Multiple Choice
The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.
nondisjunction
anaphase I
nondiploidy
karyotype
5.
Multiple Choice
This karyotype shows Trisomy 21
This karyotype has no abnormality
This karyotype is missing a sex chromosome (monosomy x)
This karyotype is from a gamete
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