What is genetic recombination? Give an example of a process that contributes to this.
Genetic recombination is the mixing of genetic information that can be passed from parent to offspring- Ex: Crossing over, independent assortment, segregation
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5
Give an example of a trait.
Hair color, eye color, height, etc.
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15
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
How many chromosomes would be found in the egg cell for this organism?
22
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10
A squirrel egg cell contains 20 chromosomes. How many chromosomes would a squirrel skin cell contain?
40 (diploid)
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When does a chromosome mutation occur?
meiosis
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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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20
Abby has type AB blood. What are the POSSIBLE genotypes for her parents? EXPLAIN.
AA, AO, BB, BO, AB---one parent donated an A and the other parent donated a B
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seesaw
Swap points!
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rocket
Go to first place!
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gift
Win 10 points!
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thief
Give points!
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5
When does a gene mutation occur?
DNA replication
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5
How many chromosomes do diploid human cells contain?
46
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15
How can you tell if a situation is demonstrating a complete dominance pattern for inheritance?
The heterozygote will have the parent phenotype with the stronger allele.
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boom
Lose 50 points!
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shark
Other team loses 10 points!
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gift
Win 10 points!
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banana
Go to last place!
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What is a zygote?
A fertilized cell made from the combination of sperm and egg.
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10
dominant allele
allele that is stronger than another so that the trait of an organism will show the dominant phenotype when at least one dominant allele is present