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प्रश्न
Give the significance of fertilization.
उत्तर
Significance of fertilization:
- Fertilization maintains the diploid number of chromosomes in the newly formed zygote.
- It combines characters from two parents bringing about variation in the offspring.
- It determines the sex of the offspring.
- Fertilization introduces centrioles in the cell which are missing in the ovum.
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संबंधित प्रश्न
Name the following:
The accessory gland in human males whose secretion activates the sperms
The middle piece of sperm provides:
Choose the odd one in each of the following:
Sperm; implantation; fertilization; ovum; afterbirth
The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
Name (any one) hormone produced by the part labelled '2'.
Name the female sex hormones and structures which secrete them.
Give Reasons
Millions of sperms are produced at ejaculation yet one sperm actually fertilizes the ovum. Explain.
Name the Following
The basic unit of the testes.
Define.
Fertilization
How can plants and animals save themselves from extinction?
Which of the following is the first cell of human life?
