Chapter 1 Vocab

Question 1

Differentiation

Answer 1

Generation of cell diversity

Question 2

Morphogenesis

Answer 2

Differentiated cells are organized into intricate tissues and organs. cells divide, migrate and die.

Question 3

Fertilization

Answer 3

Fusion of the mature sex cells, the sperm and egg.

Question 4

Gametes

Answer 4

The egg and sperm (separate)

Question 5

Cleavage

Answer 5

Extremely rapid mitotic divisions that immediately follow fermentation.

Question 6

Blastomeres

Answer 6

numerous smaller cells that divided from an enormous volume of zygote cytoplasm. Found in the cleavage stage. Pg.11

Question 7

Blastula

Answer 7

A sphere of blastomeres that form by the end of cleavage.

Question 8

Gastrulation

Answer 8

Blastomeres undergo movement and change their positions relative to one another. This cellular rearrangement forms three germ layers. Gastrula Stage

Question 9

Gastrula Stage

Answer 9

embryo contains three germ layers. endoderm, ectoderm mesoderm

Question 10

Fate Map

Answer 10

map of cell movement

Question 11

Cell Lineage

Answer 11

following individual cells to determine final specification

Question 12

Transgene

Answer 12

DNA from another species

Question 13

GFP

Answer 13

Green fluorescent protein jellyfish

Question 14

Homologous

Answer 14

Same evolutionary origin

Question 15

analogous

Answer 15

different evolutionary origin, same evolutionary function

Question 16

teratogen

Answer 16

causes developmental defects. An agent or factor that causes malformation of an embryo

Question 17

Organogenesis

Answer 17

Formation of organs in an embryonic condition Pg.6

Question 18

Metamorphosis

Answer 18

Production of sexually mature adults

Question 19

Gametogenesis

Answer 19

development of gametes

Question 20

Regeneration

Answer 20

Dev. of new structures from stem cells in adult

Question 21

Senescence

Answer 21

aging

Question 22

Animal pole

Answer 22

embryo

Question 23

Vegetal Pole

Answer 23

yolk