In peas, axial (

A) flower position is dominant to terminal (a), tall (L) is dominant to short (l), and yellow (Y) is dominant to green (y). If a plant that is heterozygous for all three traits is allowed to self-fertilize, how many of the offspring would show the dominant phenotype for all three traits?
A) 3/64
B) 9/64
C) 27/64
D) 32/64
E) 64/64


C

Biology & Microbiology

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The onset of the growth of a plant embryo, termed ____, starts when the seed begins to soak up water

a. imbibition b. hatching c. splitting d. germination e. gestation

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Gametes produced by inversion heterozygotes can produce no viable recombinant chromosomes due to what phenomenon?

What will be an ideal response?

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The hairpin design of the loop of Henle allows events on one side of the loop to influence the events on the other side, by a process referred to as

A) paratubular movement. B) countercurrent exchange. C) bulk flow. D) glomerular filtration. E) tubular reabsorption.

Biology & Microbiology

Which of the following statements is FALSE?

A) A prophage is phage DNA inserted into a bacterial chromosome.
B) A prophage can "pop" out of the chromosome.
C) Prophage genes are repressed by a repressor protein coded for by the prophage.
D) A prophage may result in new properties of the host cell.
E) The prophage makes the host cell immune to infection by other phages.

Biology & Microbiology