Advertisements
Advertisements
Question
Select the incorrect statement
Options
Frequency of certain genes in a population change over several generations resulting in evolution
Reduction in weight of the organism due to starvation is genetically controlled
Low weight parents can have heavy weight progeny
Traits which are not inherited over generations do not cause evolution
Solution
Reduction in weight of the organism due to starvation is genetically controlled
Explanation -
Reduction in weight of the organism due to starvation do not bring any change in DNA of the gamete so, it is not genetically controlled. Out of the four statements, statement (b) is incorrect.
APPEARS IN
RELATED QUESTIONS
In a human, how many chromosmes are present in a fertilised egg?
E is the gene for brown eye colour and an is the gene for blue eye colour. which gene is (1) recessive, and (2) dominant?
Explain the following terms:
Identical twins
What is parthenogenesis?
How is sex determined in human beings?
Diploid larvae which get royal jelly as food develops into ____________ and other develops into workers (sterile females).
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
