The members of a homologous pair of chromosomes in a sexually reproducing organism
A) are identical in size and appearance. B) come from only one parent. C) separate to opposite poles of the cell during mitosis. D) are found only in haploid cells. E) are present only after the S phase.
In organisms that display alternation of generations,
A) only gametes are haploid. B) only zygotes are diploid. C) gametophytes are haploid and zygotes are diploid. D) only diploid stages are multicellular. E) spores and zygotes are diploid.
Which statement about cervical cancer,a relatively common cancer,is false?
A) It can be detected early by a PAP test. B) It is usually caused by human papillomavirus (HPV). C) It infects the cervical cells with viral DNA. D) The HPV that infects cervical tissue spreads by sexual transmission. E) It is never fatal.