Why does sexual reproduction produce more genetic variability in a population?
a)Offspring are genetically identical to one parent.
b)During sex, adults can exchange genetic material thus increasing their variability.
c)Organisms arising from sexual reproduction can change their genetic material in response to environmental changes.
d)Sexually-reproducing organisms mutate more rapidly than asexually reproducing organisms.
e)Offspring are a genetic mix of both parents.
e)Offspring are a genetic mix of both parents.
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Gene therapy requires _____
A) knowledge and availability of the normal allele of the defective gene B) the ability to introduce the normal allele into the patient C) the ability to express the introduced gene at the correct level, time, and tissue site within the patient D) knowledge and availability of the normal allele of the defective gene and the ability to introduce the allele into the patient E) knowledge and availability of the normal allele of the defective gene, an ability to introduce the normal allele into the patient, and an ability to express the introduced gene at the correct level, and time, and tissue site within the patient
Tris-BP was banned after the discovery that the chemical caused cancer in test animals and was ____________________ through the ____________________ by those wearing treated clothing
Fill in the blank(s) with correct word
During HIV reproduction, spike glycoproteins
A. do not enter the cell with the virus. B. are released into the cytoplasm by cellular enzymes. C. are embedded in the infected cell membrane. D. are assembled into the virus along with reverse transcriptase. E. are embedded in the viral capsid.
Starving children in war-torn countries have stick-thin limbs, as their muscle proteins are being broken down and the resultant amino acids are being used by other cells for energy. What hormone(s) would you expect to be especially elevated in these children?
A. Prolactin B. Glucagon C. Insulin D. Aldosterone E. Glucocorticoids