+91-8076753736 support@wiredfaculty.com
logo
logo

Sponsor Area

Principles Of Inheritance And Variation

Question
CBSEENBI12003172
Wired Faculty App

1 : 2 : 1 phenotypic and genotypic ratio is found in

  • complementary genes

  • blending inheritance

  • multiple alleles

  • pseudo alleles

Solution

B.

blending inheritance

Incomplete dominace or blending inheritance was first seen in Mirabilis jalapa (4' O Clock plant). Here, when red flowers are crossed with white variety, the F1 hybrid is pink and F2 ratio is 1 red : 2 pink : 1 white.

RR : Rr : Rr : rr

1 : 2 : 1  - Genotypic and Phenotypic ratio

Some More Questions From Principles of Inheritance and Variation Chapter

What for symbols AA and Aa stand ?

Mention the phenomenon of pleiotropy by giving an example.

Name the plant that shows incomplete dominance in respect of the colour of its flower.

Write the genotypes of man with blood group A.

What is Mendel’s monohybrid phenotypic ratio ?

Write down Mendel’s dihybrid Phenotypic ratio 

Who were the rediscoverers of Mendelism ?

What are the real determinants of what an organism will become ?

What is the unique feature of F1 generation ?

What will be the genetic make up of an organism which suffers from sickle cell anaemia ?

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation