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Rio Salado BIO 156 Quiz 5 Lesson 9 with correct Answers
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Rio Salado BIO 156 Quiz 5 Lesson 9 with correct Answers
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Rio Salado BIO 156 Quiz 5 Lesson 9 withcorrect Answers
What is the normal complement of sex chromosomes in a human male? - Answer -one
X chromosome ans one Y chromosome
Nondusjunction occurs when - Answer -members of a chromosome pair fail to separate
Which of the following is the common inheritance pattern when one gene influences
multiple traits? - Answer -Pleiotropy
Parents who do not have cystic fibrosis ( recessive) produce a child who has cystic
fibrosis. What are the chances that each child born to this couple will have cystic
fibrosis? - Answer -25%
A recessive dissorder is a genetic disorder______ - Answer -that will express itself in
the presence of two defective alleles
Sickle-cell anemia is a trait that is seen with equal frequency in males and females. Two
people who do not have symptoms of the disease might have offspring that do, at an
approximate frequency of one in four. What can you conclude about how this disorder is
inherited? - Answer -It is inherited as an autosomal recessive dissorder
A carrier of a genetic disorder who does not show symptoms is most likely to be
_______ to transmit it to offspring. - Answer -heterozygous for the trait and able
When you trace the occurance of a specific characteristic through your past ancestry,
you are constructing a family _______. - Answer -Pedigree
Solve the following multiple allele problem: Susan, a mother with Type B blood, has a
child with Type O blood. She claims that Craig, hwo has Type A blood, is the father. He
claims that he cannot possibly be the father. Further blood tests offered by the judge
reveal that Craig is AA. The judge rules that - Answer -Craig is right and doesn't have to
pay child support.
An abnormal number of chromosomes could result during meiosis because of_____. -
Answer -nondisjunction
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