A colour change in an organism will contribute to evolution only when which condition is fulfilled?
Answer and explanation
Correct answer: The change is inherited and can pass to offspring.
Evolution concerns changes in inherited characteristics of populations across generations. A colour difference can be useful, but it contributes to evolution only if the genetic information responsible for it can pass through reproductive cells to offspring. A change acquired during an individual’s lifetime is generally not inherited merely because it is useful. Therefore option A is correct; options B, C and D prevent the trait from being reliably transmitted between generations.
Frequently asked questions
What is the correct answer to this question?
The change is inherited and can pass to offspring.
Why is this the correct answer?
Evolution concerns changes in inherited characteristics of populations across generations. A colour difference can be useful, but it contributes to evolution only if the genetic information responsible for it can pass through reproductive cells to offspring. A change acquired during an individual’s lifetime is generally not inherited merely because it is useful. Therefore option A is correct; options B, C and D prevent the trait from being reliably transmitted between generations.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Heredity and Evolution.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
