tự thụ tinh
Definition
- Noun (Biology):
- Self-fertilization: The process where a single organism produces both male and female gametes (e.g., sperm and egg) and these gametes unite to form a zygote. This is common in some plants, invertebrates, and hermaphroditic animals.
- Self-pollination (Botany): A specific type of self-fertilization in flowering plants where pollen from the anther fertilizes the ovule of the same flower or another flower on the same plant.
Usage Examples
- Noun:
- Ở thực vật, tự thụ tinh có thể dẫn đến thoái hóa giống. (In plants, self-fertilization can lead to inbreeding depression.)
- Một số loài giun dẹp có khả năng tự thụ tinh. (Some species of flatworms are capable of self-fertilization.)
Advanced Usage
- "tự thụ tinh bắt buộc": Obligate self-fertilization.
- Loài này thực hiện tự thụ tinh bắt buộc do cấu trúc hoa đặc biệt. (This species practices obligate self-fertilization due to its unique flower structure.)
Variants and Related Words
Tự thụ phấn (n): Self-pollination. Often used interchangeably with "tự thụ tinh" in botanical contexts, though it specifically refers to the transfer of pollen.
- Hoa đậu Hà Lan có thể tự thụ phấn. (Pea flowers can self-pollinate.)
Tự giao phối (n): Self-mating. A related zoological term for self-fertilization in animals.
Synonyms
- Autogamy: (Technical) The fusion of two gametes from the same individual.
- Selfing: (Informal, Biology) The act of self-fertilization.
Related Scientific Terms
- Cross-fertilization (Thụ tinh chéo): Fertilization involving gametes from two different individuals.
- Hermaphrodite (Lưỡng tính): An organism that has both male and female reproductive organs.