Question

Variations caused by mutation, as proposed by Hugo de Vries, are:

• A. small and directional
• B. small and directionless
• C. random and directional
• D. random and directionless

Answer 1

The Correct Option is D

To answer the question regarding the type of variations caused by mutation as per Hugo de Vries' proposal, we need to understand the basics of mutations in genetics.

Understanding Mutations:

• Mutations are changes in the genetic sequence of an organism's DNA. These mutations can occur naturally or be induced by external factors.
• Hugo de Vries, a Dutch botanist and one of the early genetics pioneers, proposed that mutations are key to producing new variations that can lead to evolutionary changes.

Characteristics of Mutations According to Hugo de Vries:

• Random: Mutations occur at random and are not influenced by the needs or environment of the organism. This randomness means they do not follow a predictable pattern.
• Directionless: Mutations do not have a specific direction or goal. They are not directed toward improving the organism or adapting to the environment. They can be beneficial, neutral, or harmful.

Conclusion: Based on the characteristics described above, mutations are random and directionless. Therefore, the correct answer is:

Answer: random and directionless