EvoDevo (E1)

Question 1

Gene products

Answer 1

Unfertilized egg already has products

Question 2

Evo/devo

Answer 2

Evolutionary development
Developmental regulatory genes

Question 3

98.6% similar

Answer 3

Chimps and humans share 98.6% similarity

Question 4

(Developmental) regulatory genes

Answer 4

The main reason why animals are more similar than it may seem

Question 5

Structural genes

Answer 5

A gene that codes for the amino acid sequence of a protein or for a ribosomal RNA or transfer RNA

Question 6

HOX genes

Answer 6

Control identity of body parts

Question 7

2nd, 3rd, 4th tier genes

Answer 7

Lesser conserved genes than 1st tier regulatory genes but higher variability as you go down

Question 8

“Junk” DNA

Answer 8

Regions of DNA that are noncoding

Question 9

Silent genes

Answer 9

DNA sequences that are generally not expressed or expressed at a very low level

Question 10

Allometry

Answer 10

Body geometry over time
How body parts relative to body size

Question 11

Antennapedia

Answer 11

HOX gene first discovered in drosophila’s which controls the formation of legs during development

Question 12

Antp & Ubx genes

Answer 12

Antp: directs antenna development
Ubx: directs abdomen segments

Question 13

Apical ectodermal ridge

Answer 13

Induces evagination of limb buds

Question 14

D’Arcy Thompson’s “Theory of Transformations”

Answer 14

Make new species by changing development

Question 15

Fibroblast growth factor

Answer 15

FGF
Family of cell Signaling proteins produced by macrophages involved in crucial elements for norms, development in animal cells

Question 16

Gremlin gene

Answer 16

A protein coding gene that inhibits bone morphogenesis, webbed duck feet

Question 17

Halteres

Answer 17

Undeveloped wings

Question 18

Heterochrony

Answer 18

Change in timing of development

Question 19

Highly conserved

Answer 19

Not expressed physically such as fish horn thingies

Question 20

HoxD genes

Answer 20

Subset of HOX genes that control arm(legs) expression

Question 21

Morphogen

Answer 21

Substance whose non-uniform distribution governs the pattern of tissue development in the process of morphogenesis or pattern formation

Question 22

Noggin

Answer 22

Protein involved in development or body tissues(nerve tissue, muscle, bone)

Question 23

Pax6 gene

Answer 23

Walter Gehring founded
Development of eye gene, all animals have it
Experimented on fly where he placed the eye gene at the fruit fly leg and a eye was developed where the keg should be

Question 24

Paedomorphic

Answer 24

Alternative process to metamorphosis in which adults retain larval traits at the adult stage

Question 25

Serial homology

Answer 25

Repetition of modules or segments

Question 26

Somites

Answer 26

Blocks of mesoderm that form on either side of neural tube

Question 27

Sonic Hedgehog

Answer 27

(Shh) Tells vertebrates to develope teeth

Question 28

Talpid2

Answer 28

Gene that suppresses Sonic Hedgehog gene (toothless)

Question 29

Zone of polarizing activity

Answer 29

Secretes signal and tells bones where rear/front, top/bottom are and mirrors limbs for symmetry

Question 30

French flag model

Answer 30

Shows how embryonic cells can interpret genetic code to create the same pattern even when certain pieces of the embryo are removed