Free Notes for Class 5–12 | CBSE | 24x7 Access
Home Schools Pricing
Log in Get Started
Class 10 Science Medium Mcq English Medium

In the 9:3:3:1 phenotypic ratio of a dihybrid F2 generation, the '9' portion represents offspring showing

Question
In the 9:3:3:1 phenotypic ratio of a dihybrid F2 generation, the '9' portion represents offspring showing
both recessive traits
both dominant traits (e.g., round and yellow)
one dominant and one recessive trait only
no traits at all
Answer
both dominant traits (e.g., round and yellow)
Detailed Explanation
In the 9:3:3:1 ratio, the largest group ('9') represents offspring showing both dominant traits together (e.g., round, yellow seeds).
Reproductive processes give rise to new individuals that are Science · Heredity In a field of sugarcane, which reproduces largely asexually (vegetatively), we typically observe Science · Heredity Compared to asexually reproducing organisms, sexually reproducing organisms such as humans typically... Science · Heredity If a single bacterium divides repeatedly (asexual reproduction) to produce four bacteria, these four... Science · Heredity

Want the full Science question bank?

Log in for free to unlock practice tests, notes, and an AI tutor for Class 10.

Get started free