#Question id: 4725
#Unit 8. Inheritance Biology
Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?
#Question id: 5441
#Unit 8. Inheritance Biology
Two pure line of corn have mean cob length of 15 cm and 5 cm, respectively. 6 polygenes involved in this trait exhibit additive gene action. Crossing these two lines is expected to produce a progeny population with mean cob length of
#Question id: 2259
#Unit 2. Cellular Organization
Which of the following is not a characteristic of prokaryotes?
#Question id: 585
#Unit 1. Molecules and their Interaction Relevant to Biology
In an enzyme reaction involving one enzyme and one substrate, the rate of the reaction depends on
#Question id: 1558
#Unit 4. Cell Communication and Cell Signaling
Work of follicular dendritic cells