#Question id: 3420
#Unit 11. Evolution and Behavior
Following are key points about the effect of genetic drift:
A. Genetic drift is significant in small populations.
B. Genetic drift can cause allele frequencies to change in a pre-directed way.
C. Genetic drift can lead to a loss of genetic variation within populations.
D. Genetic drift can cause harmful alleles to become fixed.
Which one of the following combination of the above statements are true?
#Question id: 283
#Unit 1. Molecules and their Interaction Relevant to Biology
The 30 nm fibers of a chromosome are attached to a/an ________ scaffold that holds the fibers in large loops.
#Question id: 4830
#Unit 8. Inheritance Biology
Blue flower is dominant over white flower and long pollen is dominant over short pollen. A pure line plant with Blue flower and long pollen was cross with white flower and short pollen. F1 plant was allowed to test cross to produced numerous Offspring in following number
Blue flower and long pollen 2000
Blue flower and short pollen 500
White flower and long pollen 500
White flower and short pollen 2000
What is approximate distance between Flower color gene and pollen length gene?
#Question id: 28610
#Unit 2. Cellular Organization
The Cip/Kip family members bind to cyclin-bound CDKs and block the activity of which of the following cyclins B-containing complexes ?
#Question id: 12903
#Unit 13. Methods in Biology