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ICAR JRF Nematology 29 Jun 2024Shift 1
MCQ (Single Correct)
+4
−1
Sexual reproduction is also known as
EXPLANATION
Cytogenetics, Reproduction Modes & Model C. e
- Terminology of Sexual Reproduction:
- Amphimixis: The classic mode of sexual reproduction involving the union and fusion of two distinct, sexually dimorphic haploid gametes (sperm and ovum) derived from different individuals or gonads to form a diploid zygote.
- Other Reproductive Modes in Nematodes:
- Automixis: Self-fertilization occurring in hermaphroditic individuals.
- Apomixis: Parthenogenesis without meiotic reduction or fertilization.
- Amixis: Asexual reproduction without mixing of gametic material.
- Conclusion: True sexual reproduction is known as Amphimixis (Option 3).
Correct option: (3) Amphimixis
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