Lecture 4

Question 1

Vestigial Trait

Answer 1

traits that have lost their ancestral function in a species but are still retained by that species

Question 2

Homology

Answer 2

similarity that exists in species that was inherited from an ancestor

Question 3

Genetic Homology

Answer 3

similarity among species in DNA sequences, gene content, or other genetic attributes that is due to shared ancestrt

Question 4

Developmental Homology

Answer 4

similarity among species in embryonic traits due to shared ancestry