Normal members of a particular species all have the same number of chromosomes. How many chromosomes are found in the cells of human beings?
A48 or 24 pairs
B44 or22 pairs
C46 or 23 pairs
D42 or 21 pairs
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According to the gene for gene hypothesis by floor 1956 the resistance of a host is governed by dominant jeans and the Reliance of a pathogen by a recessive jeans when genes in the host and pathogen match for all the Loki then only the host will show suspectable reaction if some low C remain unnated the host will show resistant reaction determine the disease reaction in the following types.
Host genotype | Pathogen genotype | Disease reaction | |
(i) | AA | Aa | |
(ii) | BB | Bb | |
(iii) | AABB | Aa or Bb | |
(iv) | AABBCC | aabb |
The first phase of translation is:
In the case of breeding for resistance, if the resistance is governed by polygenes, which method of selection is adopted?
What would have happened if Mendel had NOT studied the F2 generation?