Chapter 10

Question 1

Regulatory network

Answer 1

Systems of interacting genes, transcription factors, promoters, RNA, and other molecules; biological circuits that respond to signals with outputs

Question 2

Promiscuous proteins

Answer 2

Capable of carrying out more than one function

Question 3

Paralogs

Answer 3

Homologous genes that arise by gene duplication

Question 4

Gene recruitment

Answer 4

Co-option of a particular gene or network for a totally different function as a result of a mutation

Question 5

Ortholog

Answer 5

Homologous genes separated by a speciation event

Question 6

Hox genes

Answer 6

Group of related genes that control the body plan of an embryo along the anterior-posterior axis

Question 7

Evolutionary constraints

Answer 7

Physics, Pleitropy,

Question 8

Antagonistic Pleiotropy

Answer 8

One gene controls for more than one trait; one is detrimental the other beneficial to fitness

Question 9

Convergent evolution

Answer 9

Similar traits evolve in separate unrelated lineages

Question 10

Complex adaptations

Answer 10

Suites of co expressed traits that together experience selection for a common function

Question 11

Parallelism

Answer 11

Convergent evolution that results from mutations to the same genes in different lineages

Question 12

Deep Homology

Answer 12

Condition that occurs when the growth and development of traits in different lineages results from genetic mechanisms from a common ancestor