The immature angiosperm pollen grain consists of a tube cell and a generative cell that will divide to produce ________ sperm cells

A) one B) two C) three D) four


B

Biology & Microbiology

You might also like to view...

How did Bateson and Punnett's work with comb morphology in chickens differ from the dihybrid work of Mendel?

A. They were working with sex-limited traits. B. Their F2 offspring displayed 4 unique phenotypes, not the four combinations of two phenotypes expected in a Mendelian cross. C. ½ of their combinations were lethal. D. The expression of their trait varied by the environment in which the chickens were raised.

Biology & Microbiology

Which of the following would be considered a

carrier of a sex-linked recessive defect?

a. a man with the defect b. a woman with the defect c. a father of a son with the defect d. the normal daughter whose father had the defect e. a son of two unaffected parents

Biology & Microbiology

What are male gametes called?:

a. ova b. sperm c. testes d. testosterone

Biology & Microbiology

Which of the following drugs inhibits nucleic acid synthesis specifically in most bacteria?

A. fluoroquinolones B. actinomycin C. rifampin D. tetracycline E. 5-fluorocytosine

Biology & Microbiology