nmdcat.online
BIO NMDCAT Lamarckism
nmdcat.online July 14, 2026

Why is Lamarckism generally rejected by the modern scientific community as a primary mechanism of evolutionary change?

A. It fails to explain how variations are physically transmitted through germ cells.
✓
B. It does not acknowledge that organisms change over time.
C. It completely ignores the role of the environment in evolution.
D. It suggests that simple life forms can never evolve into complex ones.

📝 Explanation

Lamarckism is rejected because somatic changes (acquired characters) cannot alter germ-line DNA, meaning they cannot be inherited under modern genetic principles.

📖 Additional Information

  • It fails to explain how variations are physically transmitted through germ cells.
  • It does not acknowledge that organisms change over time.
  • It completely ignores the role of the environment in evolution.
  • It suggests that simple life forms can never evolve into complex ones.

Lamarckism is rejected because somatic changes (acquired characters) cannot alter germ-line DNA, meaning they cannot be inherited under modern genetic principles.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

According to Lamarck's principle of use and disuse, the long neck of the modern giraffe is a direct result of which of the following?

Next Question

During a lab demonstration, a student grafts a segment of DNA coding for insulin into a bacterium. The bacterium then passes this trait to its offspring. Does this support Lamarckism?

Back to All Questions

🔗 Related MCQs

An increase in the incidence of ectopic pregnancies within a population can often be epidemiologically correlated with a prior increase in the prevalence of which sexually transmitted disease?
July 16, 2026
In the life cycle of Herpes Simplex Virus 2 (HSV-2), the virus travels along nerve fibers to reach the sensory ganglia. The cellular mechanism responsible for this retrograde transport utilizes:
July 16, 2026
A defining characteristic of the lesions associated with the secondary stage of syphilis is that they:
July 16, 2026
The causative agent of genital herpes, HSV-2, is enveloped. The biological significance of this viral envelope in the context of transmission is that it makes the virus:
July 16, 2026
The structural basis for the severe cardiovascular complications seen in tertiary syphilis, such as aortic aneurysms, is the chronic inflammation and destruction of:
July 16, 2026

Categories

View all →