Q. Due to the cross between TTRr  × ttrr the resultant progenies showed how many percent plants would be tall , red flowered
1) 50% 
2) 75% 
3) 25%
4) 100 % 


Q. A Plant of F 1  -generation with genotype "AABbCC". On selfing of this plant what is the phenotypic ration in F 2  generation


1) 3:1 
2) 1:1
3) 9:3:3:1
4) 27: 9: 9: 9: 3: 3: 3 :1

Q. In a dihybrid cross, when one pair of alleles show incomplete dominance , genotype ratio comes to 
1) 3 : 6 : 3 : 1 : 1: 1
2) 1 : 2 : 2 : 4 : 1 : 2 : 1 :2 : 1
3) 9 : 3 : 3 : 1
4) 1 : 2 : 1

Q 1) Ans.: 1)50%
Q 2) Ans.: 1) 3:1
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1. 50%
2. 3:1
3. 1:2:1
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