Starting from the wild mustard Brassica oleracea, breeders have created the strains known as Brussels sprouts, broccoli, kale, and cabbage. Therefore, which of the following statements is correct?

#Question id: 3420

#Section 2: Evolution

Following are key points about the effect of genetic drift:

A. Genetic drift is significant in small populations.

B. Genetic drift can cause allele frequencies to change in a pre-directed way.

C. Genetic drift can lead to a loss of genetic variation within populations.

D. Genetic drift can cause harmful alleles to become fixed.

Which one of the following combination of the above statements are true?

#Question id: 3463

#Section 4: Behavioural Ecology

Which one of the following statements is INCORRECT?

#Question id: 10823

#Section 1: Ecology

Which of the following statements about symbiotic relationships is true?

#Question id: 9216

#Section 2: Evolution

Which of the following criteria have to be met for a species to qualify as invasive?

#Question id: 4629

#Section 2: Evolution

In the mid-1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to ever-colder temperatures, would eventually give rise to ever more cold-tolerant winter wheat. Lysenkoʹs attempts in this regard were most in agreement with the ideas of