lab practical 4

Question 1

what is gametogenisis

Answer 1

formation of gametes

Question 2

what gamete is for a male

Answer 2

sperm

Question 3

what gamete is for a female

Answer 3

egg

Question 4

what genetic information do males provide

Answer 4

nuclear dna

Question 5

what genetic information do females provide

Answer 5

nuclear dna, mitchondrial dna, cytoplasmic determinations

Question 6

syngamy produces what

Answer 6

zygote

Question 7

what occurs during 2 cell or 4 cell or 8 cell

Answer 7

cleavage

Question 8

describe morula

Answer 8

32 cells bundled together

Question 9

describe blastula

Answer 9

hollow ball with cells on outside of surface

Question 10

what is a gastrula

Answer 10

cell with an embryonic gut

Question 11

what is a neurula

Answer 11

nervous system development in a cell

Question 12

list the steps that happen during cell development

Answer 12

cell division
cell differentiation
cell migration
controlled cell death (apoptosis)

Question 13

what forms during gastrula stage

Answer 13

embryonic germ layers

endoderm, mesoderm, ectoderm

Question 14

what is used to keep egg from having multiple fertilizations

Answer 14

fast and slow block form

Question 15

where is slow block located on fertilized egg

Answer 15

around fast block

fertilization membrane

Question 16

where is the fast block located on fertilized egg

Answer 16

around egg itself

Question 17

list the gametogenisis of an egg

Answer 17

ovary, follicle, ovum (egg)

Question 18

another word for egg

Answer 18

ovum

Question 19

list the gametogenisis of sperm

Answer 19

testes, seminiferous tubules, spermatocytes mature into sperm

Question 20

what is another word for “in heat”

Answer 20

estrous

Question 21

haploid or diploid for oocyte

Answer 21

diploid

Question 22

original oocyte divides into how many during meiosis

Answer 22

2, one big and one small

Question 23

one big and one small oocyte divides into what during meiosis

Answer 23

one big functional egg and three polar bodies

Question 24

the placenta contains

Answer 24

both the maternal and fetal tissue

Question 25

phylum of pig

Answer 25

chordata

Question 26

subphylum of pig

Answer 26

vertebrata

Question 27

superclass of pig

Answer 27

gnathostomata

Question 28

class of pig

Answer 28

mammalia

Question 29

subclass of pig

Answer 29

theria

Question 30

infraclass of pig

Answer 30

eutheria

Question 31

order of pig

Answer 31

artiodactyla

Question 32

family of pig

Answer 32

suidae

Question 33

what is an estrous cycle

Answer 33

female hormonally driven cycle

Question 34

what hormones are in the estrous cycle

Answer 34

gonadotropin releasing hormone, follicle stimulating hormone, luteinizing hormone, estrogen, progesterone

Question 35

what hormones are from the ovary in the estrous cycle

Answer 35

estrogen and progesterone

Question 36

what hormones are from the brain in the estrous cycle

Answer 36

gonadotropin releasing hormone, follicle stimulating hormone and luteinizing hormone

Question 37

list the stages of cell development

Answer 37

fertilization of sperm and egg, zygote, 2cell, 4 cell, 8 cell, morula, blastula, gastrula, neurula

Question 38

what are the two types of cleavage

Answer 38

spiral and radial