In Morgan's experiments, the white eye allele in Drosophila was shown to be

A. located on an autosome.
B. dominant.
C. codominant.
D. located on the Y chromosome.
E. located on the X chromosome.


Answer: E

Biology & Microbiology

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Broad, flat molars and reduced canines characterize the teeth of ____

a. cows b. cats c. wolves d. humans e. apes

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The majority of carbon dioxide is carried as:

a. CO2 bound to red blood cells b. Bicarbonate ion in the plasma c. Hydrogen ion bound to red blood cells d. Water in the plasma

Biology & Microbiology

Which of the following occurs in prophase??

a. sister chromatids attach
b. DNA replicates
c. chromosomes align in the middle of the cell
d. the nuclear envelope breaks down
e. sister chromatids separate

Biology & Microbiology

Which of the following actions should be avoided in any stretching routine?

What will be an ideal response?

Biology & Microbiology