#Question id: 20419
#Unit 3. Fundamental Processes
#Question id: 13079
#Unit 13. Methods in Biology
#Question id: 4765
#Unit 8. Inheritance Biology
The recessive mutant allele that causes cystic fibrosis is much more frequent in Caucasians population than in other world populations. Some scientists believe heterozygotes must have had a survival advantage during plagues such as cholera that occasionally swept through this population. What concept does this illustrate?
#Question id: 7512
#General Aptitude
#Question id: 2012
#Unit 4. Cell Communication and Cell Signaling
The DGS-like phenotype can be produced in a specific knockout mouse for HA3, a Hox gene. HA3 is known to be involved in developmental regulation in the mouse. Which of the following would be an appropriate test for following the gene in the mouse progeny?