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प्रश्न
Define the Gene pool.
Define the term gene pool.
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उत्तर
The total genetic information encoded in the sum total of genes in a Mendelian population is called gene pool.
संबंधित प्रश्न
"We cannot pass on to our progeny the experiences and qualifications earned during our life time". Justify the statement giving reason and examples.
Insects, octopus, planaria and vertebrates possess eyes. Can we group these animals together on the basis of eyes that they possess ? Justify your answer giving reason.
Give any two distinctive features of Dryopithecus.
State one characteristic which shows that the birds are very closely related to dinosaurs.
Out of the wing of a bird, wing of an insect and the wing of a bat :
which two are homologous organs?
Match the terms given in column I with those given in column II :
| Column I | Column II |
| (1) Fossil | (a) A famous evolutionist |
| (2) A theory of evolution | (b) Survival of the fittest |
| (3) Probable ancestor of birds | (c) Petrified remains of prehistoric life |
| (4) Charles Darwin | (d) Father of genetics |
| (5) Gregor Mendel | (e) Archaeopteryx |
Which of the following gas was not present in early earth atmosphere?
(a) Ammonia
(b) Oxygen
(c) Hydrogen sulphide
(d) Methane
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
Name any three types of postmating isolating mechanisms.
Define the following term:
Evolution
