#Question id: 24270
#Unit 4. Cell Communication and Cell Signaling
#Question id: 18618
#Unit 13. Methods in Biology
#Question id: 5137
#Unit 5. Developmental Biology
Match the correct animal and their mechanism of germplasm specification.
Animal |
Specification of germ cells |
a. Drosophila |
i. germplasm is characterized by polar granules and PIE-1 protein, and segregates into P4 during cleavage |
b. Xenopus |
ii. germplasm localized in vegetal region of egg |
c. mammals |
iii. germplasm specified by oskar at posterior end of egg |
d. c. elegans |
iv. Have no germplasm |
#Question id: 3507
#Unit 11. Evolution and Behavior
Rank the following from most general to most specific:
A. gametic isolation
B. reproductive isolating mechanism
C. pollen-stigma incompatibility
D. prezygotic isolating mechanism
#Question id: 28611
#Unit 2. Cellular Organization