NEET2021Botany-Genetic Inheritance
NEET 2021 Botany Sickle Cell Anemia MCQ Question
Type: MCQ-numerical-Medium-Class 12
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
A
50%
B
75%
C
25%
D
100%
Correct Answer
Option C
Detailed Explanation
The cross results in a 1:2:1 ratio of normal, carrier, and diseased. 25% will be diseased.
Found an issue with this question?
Related Questions
More from 2021
Match Column - I with Column - II. Choose the correct answer from options given below:
Nitrogen CycleBotany
Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as:
Plant ReproductionBotany
A cup of coffee cools from 90°C to 80°C in t minutes, when the room temperature is 20°C. The time taken by a similar cup of coffee to cool from 80°C t...
Newton's Law of CoolingPhysics