Advertisements
Advertisements
प्रश्न
Variations during mutations of meiotic recombinations are ______.
विकल्प
random and directionless
random and directional
random and small
random, small, and directional
उत्तर
Variations during mutations of meiotic recombinations are random and directionless.
APPEARS IN
संबंधित प्रश्न
Give the respective scientific terms used for studying the mechanism by which variations are created and inherited
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.
Write the contribution of Charles Darwin in the field of 'evolution.'
Explain how, characteristics (or traits) are inherited through genes.
Explain the terms 'analogous organs' and 'homologous organs' with examples.
A population of red beetles lives in green bushes in a garden. Once during the process of breeding, a green beetle is produced.
(a) State whether the change in colour of beetle is a process of evolution or not.
(b) Can the new colour of green beetle be passed on to its next generations?
(c) What will be the advantage (if any) of the green colour to the beetle?
(d) State whether the production of green colour involved a change in genetic material or not.
Read the following statement and justify same in your own words with the help of suitable example.
Human evolution began approximately 7 crore years ago.
Name any three types of postmating isolating mechanisms.
Theory of inheritance of acquired character was given by:
While studying the stages in the evolution of man, a well-developed chin is observed in ______.
