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प्रश्न
According to Abiogenesis, life originated from
(1) Non-living matter
(2) Pre-existing life
(3) Oxygen
(4) Extra-terrestrial matter
उत्तर
Non-living matter
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संबंधित प्रश्न
The total genetic information encoded in sum total of genes in a Mendelian population is called ______.
Identify the INCORRECT statement.
Hybrids develop to maturity but become sterile due to failure of proper gametogenesis. This is a post mating barrier called ____________.
Loss of gene from chromosome occurs due to ______
After the industrial revolution in Great Britain in 1845 which of the following occurred?
Black colored form became dominant over the light colored form in England during industrial revolution after 1845. This can be owed to ______.
Chromosomal aberration causing no loss or gain of gene complement of the chromosome is called ____________.
Which statements are TRUE regarding genetic recombination?
- It occurs in asexually and sexually reproducing organisms.
- They occur due to random union of gametes, anaphasic separation of chromosomes, and crossing over.
- New genetic combinations result in variation.
Define the term:
Genetic drift
Which of the following is a pre-mating mechanism of isolation?
