The letter "D" in the above figure represents
the
a. style.
b. ovary.
c. stigma.
d. anther.
e. filament.
A
You might also like to view...
The frequency of recombination during meiosis is a function of:
A. the alleles on the genes; recombination happens less frequently among recessive alleles. B. the distance between genes: the closer the genes are, the more frequent the recombination between them. C. the distance between genes: the farther apart the genes are, the more frequent the recombination between them. D. whether or not the genes are sex-linked; X chromosomes recombine much more frequently than do autosomes. E. whether or not the genes are sex-linked; Y chromosomes recombine much more frequently than do the autosomes.
If a cell had a chromosome number of four,
after anaphase but before the cytoplasm divides, how many chromosomes does the cell have?
a. 2 b. 4 c. 8 d. 16 e. none of these
Prezygotic mechanisms lead to reproductive isolation by preventing the formation of
A. hybrid zygotes. B. mating pairs. C. fertile sperm or pollen cells. D. somatic cells. E. fertile eggs.
If a chemical agent acted to make the nuclear envelope pores impermeable to the passage of hormones, what effect would it have?
A. Both steroid and non-steroid hormones would continue to be effective. B. Neither steroid nor non-steroid hormones would be effective. C. Non-steroid hormones would continue to be effective but steroid hormones would be ineffective. D. Steroid hormones would continue to be effective but non-steroid hormones would be ineffective.