Home
Class 12
BIOLOGY
In F(2) generation, a ratio of 1:4:6:4:1...

In `F_(2)` generation, a ratio of 1:4:6:4:1 is obtained instead of 9:3:3:1, when two pairs of genes are considered, it indicates

A

Complementary genes

B

Supplementary genes

C

Polygenic inheritance

D

Pleiotropic genes.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GENETIC BASIS OF INHERITANCE

    DINESH PUBLICATION ENGLISH|Exercise Revision Questions From Competitive Exams|440 Videos
  • GENETIC BASIS OF INHERITANCE

    DINESH PUBLICATION ENGLISH|Exercise Check your Grasp|30 Videos
  • FRUIT AND SEED DISPERSAL

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|10 Videos
  • GROWTH, REPAIR, REGENERATION AND AGEING

    DINESH PUBLICATION ENGLISH|Exercise Brain Teasers-VI[B]|6 Videos

Similar Questions

Explore conceptually related problems

In F_(2) generation quantitative inheritance of 1:4:6:4:1 is obtained instead of

9:6:1 F_(2) generation ratio is obtained in case of

A trihybrid ratio of 27:9:9:9:3:3:3:1 is obtained because of

F_(2) generation has genotypic and phenotypic ratio of 1:2:1. It is

Red seed colour shows an F_(2) ratio of 1:4:6:4:1. It is due to

If F_(1) generation has all tall plants and ratio of F_(2) generation is 3 tall : 1 dwarf, it proves

In complementary genes, the dihybrid ratio of 9:3:3:1 is modified to

If the heights of two cones are in the ratio of 1:4 and the radii of their bases are in the ratio 4:1, then the ratio of their volumes is (a) 1:2 (b) 2:3 (c) 3:4 (d) 4:1

Morgan hybridised yellow-bodied, white-eyed females to brown-bodied red-eyed males and intercrossed their F_(1) progeny. He observed that (a) F_(2) ratio was deviated very significantly from the 9:3:3:1 ratio (b) Both genes did not segregate independently of each other (c) Recombinant types are not obtained in F_(2) generation (d) Both genes segregate independently of each other Select the correct set of statements :

Assertion: Ratio of complementary genes is 9:7. Reason: Ratio of supplementary genes is 9:3: 4.