✓ Board-verified
Biology · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 3 · Q7
In a certain population, the frequency of three genotypes is as follows: Choose the option that shows the frequency of P and p alleles correctly:
In a certain population, the frequency of three genotypes is as follows :
Choose the option that shows the frequency of P and p alleles correctly :
| Genotypes : | PP | Pp | pp |
| Frequency : | $\displaystyle 22$% | $\displaystyle 62$% | $\displaystyle 16$% |
Official answer
(A)
P = $\displaystyle 53$%, p = $\displaystyle 47$%
More from Evolution
- Assertion: The number of white winged moths decreased drastically after industrialisation in England. Reason (R): Effects of industrialisation were…2023 · asked 2×
- After the 1850s in the post-industrialization era in England, the expected effect of natural selection on the number of white-winged moths as…2024
- Study the given chart showing evolution of plants. Answer the following questions: Identify the plant which acts as an immediate ancestor of both…2026
- Select the odd option in the context of convergent evolution.2026
- Which one of the following evidences does not support Darwin's theory of natural selection?2026
- Assertion: Under a particular set of selection pressure, organisms evolve towards the most efficient reproductive strategy. Reason (R): Populations…2026
- (i) Rearrange the following in correct order of their appearance on Earth between 2 million years and 40,000 years ago: Homo Neanderthalensis,…2026
- Highly conserved proteins such as Haemoglobin and Cytochrome-C provide the best biochemical evidences to trace evolutionary relationships between…2025
CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.