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BIO 100 Midterm II in class review
Terms in this set (18)
What is the region in the middle of a replicated chromosome that connects sister chromatids?
During which part of mitosis does the nuclear envelope break down?
During which process would a cell plate form?
cytokinesis in a plant cell
In which phase of the cell cycle are cells most often found?
What is the relationship between proto-oncogenes and oncogenes
proto-oncogenes may develop into cancer-causing oncogenes as a result of mutations
When do sister chromatids separate?
meiosis II and mitosis
What are genes that are located on the same chromosome and move together to the same gamete?
Half of the gametes produced by an organism with the genotype Aa will receive the A allele, while half will receive the a allele. This is a demonstration of
which process creates new alleles to affect genetic diversity in a population?
When a recessive allele is associated with a genetic disease in humans, what would heterozygotes be considered?
Cystic fibrosis is caused by the allele f, which is completely recessive to the normal dominant allele F. Consider a couple who both have the genotype Ff. What is the change that their second child will develop cystic fibrosis?
In humans, straight thumbs are caused by the dominant allele T, while individuals who are tt have thumbs that curve backward ("hitchhiker's thumb"). Consider a family in which the father has straight thumbs, and both the mother and their only child have curved thumbs. What is the chance that their next child will have curved thumbs?
Which factor(s) typically influence a trait that shows continuous variation
both genetic and environmental factors
Which pattern of inheritance results when the phenotype of a heterozygote is intermediate between both homozygote
A women which type AB blood and a man with type O blood have a child. What kind of blood will the child have?
Type A or B
What is the ability to cause multiple affects on a phenotype
Hemophilia is an X-linked recessive allele causing a blood disorder. What are the chances that a daughter of a normal man and a woman, who is heterozygous for the disease, will have hemophilia?
Which offspring will receive a harmful allele for a sex-linked trait from a man who carries the allele?
all of his daughters
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