In a cross between white-flowered parents,F_1 | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The phenotypic ratio of $9:7$ in the $F_2$ generation is a classic modification of the Mendelian dihybrid ratio $(9:3:3:1)$.This specific ratio oc

Vedclass · Accepted Answer

Two genes

Vedclass · Answer

(A) The phenotypic ratio of $9:7$ in the $F_2$ generation is a classic modification of the Mendelian dihybrid ratio $(9:3:3:1)$.This specific ratio occurs due to complementary gene interaction,where two independent genes interact to produce a single phenotype.In this case,both dominant alleles must be present for the purple colour to be expressed; otherwise,the flowers remain white.Therefore,the flower colour is controlled by two genes.

In a cross between white-flowered parents,$F_1$ progeny was uniformly purple-flowered. The $F_2$ progeny showed a phenotypic ratio $9:7$ between purple-flowered and white-flowered plants. The above result indicates that the flower colour is controlled by

Similar Questions

Mirabilis jalapa is a good example of

In which one of the following, complementary gene interaction ratio of $9: 7$ is observed?

The eukaryotic organelles responsible for cytoplasmic inheritance are .....

Which of the following is not an example of cytoplasmic inheritance?

The two organelles responsible for cytoplasmic inheritance among eukaryotes are

Vedclass Test Series

Exam Paper Generator

Online Exam Module