Evo Devo

Question 1

Subfunctionalization

Answer 1

After duplication, paralogs divide the work initially undertaken by the gene before duplication.
AB–> A B

Question 2

Neofunctionalization

Answer 2

Duplicated genes diverge, allowing for some new, but related function to evolve.

Question 3

Ontogeny

Answer 3

Development of an individual is stepped through “simple” traits early in development to more complex traits later on.

Question 4

Two main types of paedomorphosis

Answer 4

1. Neoteny

2. Progenesis

Question 5

Paedomorphosis

Answer 5

Refers to the appearance of traits formerly seen in the juvenile stage of species during the adult stage in a descendant species.

Question 6

Heterochrony

Answer 6

Changes in the rate and timing of development.

Question 7

Two types of pathogens

Answer 7

Primary and opportunistic

Specialists) and (Generalists

Question 8

Parapateric speciation

Answer 8

Subset of the population migrate somewhere else.

Question 9

The Lilliput Effect

Answer 9

The reduction in body size of surviving taxi after a mass extinction.

Question 10

Pleiotrophy

Answer 10

When a gene has multiple phenotypic effects .