Hybridization

Cytotaxonomy: Definition, Background, Karyotypes, Polyploidy, and Hybridization

Cytotaxonomy is a branch of biology that involves the classification of organisms based on their cytological (cellular) characteristics, particularly those related to the structure and behaviour of chromosomes. It is a valuable tool for understanding the relationships among species and genera and for studying their evolutionary history.

Cytotaxonomy: Definition, Background, Karyotypes, Polyploidy, and Hybridization Read More »

Botany: Solved Previous Year’s Question Paper for NCERT/CBSE Class 12th Botany

Question: In a Pisum sativum, the pods may be inflated (I. dominant) or constricted (i. recessive). What proportion of the offspring in the following crosses would be expected to be inflated?
(a) II x ii
(b) li x ii .
(c) II x II
Ans: (A) It would be assumed that all of the offspring would be inflated (100%).
(b) It would be assumed that 50% of the offspring would be inflated.
(c) It would be assumed that all of the offspring would be inflated (100%).

Botany: Solved Previous Year’s Question Paper for NCERT/CBSE Class 12th Botany Read More »