By definition, homologous genes are genes that:
A: Share a common function.
B: Share a common evolutionary ancestor.
C: Are expressed under similar conditions.
D: Have at least 50% nucleotide sequence identity.
A: Share a common function.
B: Share a common evolutionary ancestor.
C: Are expressed under similar conditions.
D: Have at least 50% nucleotide sequence identity.
举一反三
- Honey bees have wings that are similar in shape and function to the wings of bats. The wings of honey bee wings do not have bones or share similar structures as bat wings. They do share any evolutionary history. This is an example of A: analogy. B: homology. C: monoplytic groups. D: sister taxa.
- Constitutive genes are() A: genes that<br/>are expressed all the time. B: genes that<br/>are not expressed at all the time. C: genes that<br/>are expressed when needed. D: genes that<br/>are repressed.
- What does an application letter for admission and that for employment share in common? ______.
- Humans share a common ancestor with which of the following groups? A: Lemurs B: Lorises C: Tarsiers D: New world monkeys E: Old world monkeys F: Greater apes G: Lesser apes
- Which of the following genes cannot be expressed? () A: α B: β C: ψβ D: δ