In sexual reproduction, plants have diplohaplontic life cycle with alternating?
Correct answer: C. Haploid sporophyte and haploid gametophyte generations
- A. Haploid sporophyte and diploid gametophyte generations
- B. Diploid sporophyte and diploid gametophyte generations
- C. Haploid sporophyte and haploid gametophyte generations
- D. Haploid gametophyte and diploid zygotic phase only
Explanation
In sexual reproduction, plants exhibit different life cycles, and one common type is the diplohaplontic life cycle, also known as the alternation of generations. The alternation of generations involves two distinct multicellular phases: the haploid (gametophyte) phase and the diploid (sporophyte) phase.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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