Evolution
by genetic drift is aimless, not adaptive.
by genetic drift is aimless, not adaptive.
举一反三
- Evolution can be defined as _____ change that takes place in a(n) _____. A: any; individual B: a genetic; individual C: any; group of organisms D: a genetic; group of organisms
- Evolution can be defined as _____ change that takes place in a(n) _____. A: any; individual B: a genetic; individual C: any; group of organisms D: a genetic; group of organisms E: All of the answers are correct.
- What is the basis of biological evolution A: have a common ancesto B: struggle for existence C: Overproduction D: genetic variation
- The observation that some genes are mosaics of other genes can be explained by ______. A: evolution B: drift C: exon shuffling D: gene duplication E: pseudogenes
- Which of the following is most effected by genetic drift? A: small populations B: isolated populations C: large populations D: populations with very few natural competitors