Which of the following conditions is due to a sex-linked gene?
A) color-blindness
B) hemophilia
C) muscular dystrophy
D) inability to see red or green
E) All of the answer choices are sex-linked conditions.
Ans: E) All of the answer choices are sex-linked conditions.
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Which of the following could be a choice to track the source of hospital-acquired infections?
a. DNA fingerprinting b. determination of sugar-fermentation patterns c. morphology determination d. Gram stain e. acid-fast stain
How does the phenomenon of horizontal gene transfer muddle the concept of monophyletic groups?
A. Monophyletic groups are based on the concept that a particular group of species descended from a common ancestor. When horizontal gene transfer occurs in the common ancestor, any species to which it gives rise can no longer be considered descendent species. B. Monophyletic groups are based on the concept that a particular group of species descended from a common ancestor. When horizontal gene transfer occurs, not all of the genes in a species were inherited from the common ancestor. C. Monophyletic groups are based on the concept that members of a particular group of species are related to one another at a particular taxonomic rank. However, a species that undergoes horizontal gene transfer no longer belongs to that taxon and the group becomes paraphyletic. D. Monophyletic groups are based on the concept that members of a particular group of species are related to one another at a particular taxonomic rank. An unrelated species that undergoes horizontal gene transfer can become more closely related to members of a different group, making that group polyphyletic.
What covers the penis with more thinner skin to be able to stimulate more.
What will be an ideal response?
Sometimes, one gene pair will interfere with the expression of a second gene pair in an interaction called ________.
A. epistasis B. pleiotropy C. blending inheritance D. codominance E. incomplete dominance