Apomictic embryos in citrus arise from:
Correct answer: B. Maternal sporophytic tissue in ovule
- A. Synergids
- B. Maternal sporophytic tissue in ovule
- C. Antipodal cells
- D. Diploid egg
Explanation
Apomictic embryos in Citrus arise from maternal sporophytic tissue in the ovule. Apomixis is a mode of asexual reproduction in plants where embryos are formed without fertilization. In Citrus, apomictic embryos typically develop from cells of the maternal sporophytic tissue within the ovule.
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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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