Looking for classes? Ksquare Career Institute, Bengaluru →
Principles of Inheritance and Variation
Test cross - expected phenotypic ratio
1 question from 1 paper, each with its answer.
- question
- 1
- paper
- 1
- years asked, 2017–2026
- 1 of 10
- of Principles of Inheritance and Variation
- 0.51%
Concepts tested
- Test cross - expected phenotypic ratio
All Questions
2023 Manipur 1 question
-
A heterozygous pea plant with violet flowers was crossed with homozygous pea plant with white flower. Violet is dominant over white. Which one of the following represents the expected combinations among 40 progenies formed?Crossing a heterozygous plant (Vv) with a homozygous recessive plant (vv) is a test cross, which is expected to give a 1:1 ratio of the two phenotypes. Among 40 progeny, this is expected to yield 20 violet and 20 white flowered plants.