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प्रश्न
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
उत्तर
Two reasons for the appearance of variations among the progeny formed by sexual reproduction are:
- Two parents, each with different set of characters take part in sexual reproduction.
- Gametes from two different individuals possess different combinations of genes which are combined in the zygote.
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संबंधित प्रश्न
With the help of a neat, labelled diagram describe the human male reproductive system.
Define Reproductive health
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
Name the various organs of the male reproductive system of man.
Name the Following
The hormone that stimulates the development of secondary sexual characters in males.
State names of organs in male reproductive system.
Identify the INCORRECTLY labelled structure in the given diagram of the male reproductive system.
Spot the odd one out from the following structures with reference to the male reproductive system.
Seminal plasma, the fluid part of semen is formed by ______.
Draw a labelled diagram of male reproductive system.
