TLS 
Triyambak Life Sciences

Nurturing Life Sciences

TLS Online

Nurturing Life Sciences

Store
Blog
Login

Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 34889
TLS Online TPP Program

#Question id: 4741


The F2 progeny from a particular cross exhibit a modified dihybrid ratio of 9 : 7 (instead of 9 : 3 : 3 : 1). What phenotypic ratio would be expected from a testcross of the F1?

#Unit 8. Inheritance Biology
  1. 1:3     

  2. 1:2:1      

  3. 3:1                   

  4. 2:1:1 


Answer:- Option(s): 1


To access the video solutions, Please subscribe TPP program.

Subscribe Now 
More Questions
TLS Online TPP Program

#Question id: 5276

#Unit 8. Inheritance Biology

Donor Strain ABCDE transformation to   recipient strain abcde. Co-transformation check by using media with different supplement?

Media supplement

Growth

A

B

C

D

E

Yes

-

+

-

+

+

Yes

+

+

-

-

+

Yes

+

-

+

-

+

Yes

+

-

+

+

-

Yes

What is a order of gene ?

TLS Online TPP Program

#Question id: 5275

#Unit 8. Inheritance Biology

 The designation his- refers to

TLS Online TPP Program

#Question id: 5274

#Unit 8. Inheritance Biology

Among the easiest of the mutations to isolate are those which

TLS Online TPP Program

#Question id: 5273

#Unit 8. Inheritance Biology

Replica plating

TLS Online TPP Program

#Question id: 5272

#Unit 8. Inheritance Biology

Clever technique that streamlines the identification of auxotrophic mutants is

TLS Online TPP Program

#Question id: 5271

#Unit 8. Inheritance Biology

Gene transfer that requires cell-to-cell contact is

TLS Triyambak Life Sciences Nurturing Life Sciences
TLS Android APP TLS IOS APP

Company

  • About us
  • Careers
  • Terms of service
  • Privacy policy
  • Our Blogs

Help & Support

  • User Guidelines
  • Refund Policy

Products

  • TLS APP
  • TPP APP

Contact Us

117/429-4 Q Block, behind Hotel DNG Grand, Sharda Nagar, Kanpur,
Uttar Pradesh 208025
India
Phone: +91 9919149001, +917007912133
Email: info@triyambak.org

© 2026 Copyright Triyambak Life Sciences Pvt Ltd. All Rights Reserved