1.

Match the terms in column I with their description in column II and choose the correct option. `{:(,"Column I",,"Column II"),("A.","Dominance",1.,"Many genes govern a single character"),("B.","Codominance",2.,"In a heterozygous organism only one allele expresses itself"),("C.","Pleiotropy",3.,"In a heterozygous organism both alleles express themselves fully"),("D.","Polygenic inheritance",4.,"A single gene influences many characters"):}`A. `{:("A","B","C","D"),(2,3,4,1):}`B. `{:("A","B","C","D"),(4,1,2,3):}`C. `{:("A","B","C","D"),(4,3,1,2):}`D. `{:("A","B","C","D"),(2,1,4,3):}`

Answer» Correct Answer - A
Dominance-Expression of only one allele in a heterozygous organism.
Codominance-Side by side full expression of both alleles. `F_(1)` resembles both parents.
Pleiotropy - Single gene can exhibit multiple phenotypic expression, e.g.,Phenylketonuria.
Polygenic inheritance-Many genes govern a single character, e.g. Human skin colour.


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