When does crossing over occur and what form of DNA is involved?
Meiosis 1- genes from homologous chromosomes are switched.
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10
What is a genotype?
The combination of letter alleles donated from each parent that determine's an organisms phenotype for a particular trait.
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heart
Other team wins 5 points!
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shark
Other team loses 25 points!
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gift
Win 20 points!
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thief
Give points!
5
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25
5
How are gametes formed?
Meiosis
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5
How many chromosomes do human gametes have?
23
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5
What is an inherited mutation?
A mutation passed on from parent to offspring.
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10
How is a chromosome related to a chromatid?
Chromosomes that are copied form sister chromatids--they are identical arms of a chromosome.
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5
What is a zygote?
A fertilized cell made from the combination of sperm and egg.
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20
Draw a punnett square for two heterozygous parents with purple phenotypes (dominant to white). Summarize the genotype and phenotype for both the parents and offspring.