Advertisements
Advertisements
प्रश्न
Answer the following question:
What is the law of dominance of traits? Explain with an example.
उत्तर
Law of Dominance:
According to this law, characters are controlled by discrete units called factors, which occur in pairs with one member of the pair dominating over the other in a dissimilar pair. This law explains the expression of only one of the parental characters in the F1 generation and expression of both in the F2 generation.
For example, a tall pea plant can be crossed with a dwarf pea plant in the following manner:
संबंधित प्रश्न
What is an organic evolution?
The range of cranial capacities in the following ancestral forms were
Homo erectu ______.
Given alongside are two figures (A and B) representing the two stages of evolution of human beings.
Answer the following :
Write all the stages of human evolution in their correct sequence.
Very short answer question.
What is the scientific name of the modern man?
Name the ancestor of human nicknamed as Handyman
Which amongst the following is the earliest fossil?
In question 44, what are the combinations of character in the F2 progeny? What are their ratios?
We are told that evolution is a continuing phenomenon for all living things. Are humans also evolving? Justify your answer.
Define the following term:
Bipedalism
Distinguish between Homo habilis and Homo sapiens sapiens (Posture).