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प्रश्न
Male and female gametes are ______.
विकल्प
diploid
haploid
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उत्तर
Male and female gametes are haploid.
Explanation:
This means they have half as many chromosomes as diploid cells. During fertilisation, haploid gametes from both parents combine to form a diploid zygote with a full complement of chromosomes.
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संबंधित प्रश्न
Give the name and function for ‘A’ and ‘B’ from the diagram given below
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions:
- Acrosome
- Nucleus
- Middle piece
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Name the hormones involved in regulation of spermatogenesis.
Fill in the blank.
---------- type of reproduction occurs without fusion of gametes.
Give a schematic representation of spermatogenesis and oogenesis in humans.
The secondary oocyte enter into the fallopian tube through the ______.
Identify the diploid cell.
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______ undergoes 2nd meiotic division during spermatogenesis.
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Sertoli cells are found in ______.
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Acrosome is a type of ______.
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Aquatic animals in which fertilisation occurs in water are said to be
Follicular atresia is:
Which of the following cells during gametogenesis is normally diploid?
Capacitation refers to changes in the ______.
The mother germ cells are transformed into a mature follicle through series of steps. Provide the missing steps in the blank boxes.
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Given below are two statements.
- Statement I: The spermatids are non-motile and non-functional which get transformed into functional spermatozoa by the process of spermiogenesis.
- Statement II: During the process of this change, the spermatids remain held to each other and to Leydig's cells by cytoplasmic bridges.
In light of the above statements, select the correct answer from the option given below.
Draw a neat and labelled diagram of spermatogenesis.
Name the germinal layers from which the following organs develop: Tongue, heart, sweat glands, vagina, mammary glands, kidney.
The process of gametogenesis is initiated by ______ and ______ hormones respectively.
Select a correct pair of cells with identical set of chromosomes.
