The endosperm nucleus is:
Correct answer: C. Triploid
- A. Haploid
- B. Diploid
- C. Triploid
- D. Tetraploid
Explanation
The endosperm nucleus is triploid, containing three sets of chromosomes. It serves as a nutrient-rich tissue to support the growth and development of the embryo within the seed of flowering plants.
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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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