Roberts Syndrome is an extremely rare genetic disorder that is characterized by mild to severe prenatal retardation or disruption of cell division, leading to malformation of the bones in the skull, face, arms, and legs. Shown below is a pedigree for a family with Roberts Syndrome. What is the genotype of individual II-C? (R = wild type; r = Roberts syndrome) 
McGraw-Hill Education
A. rr
B. R
C. Rr
D. RR
E. r
Answer: C
Biology & Microbiology
You might also like to view...
Which of the following is NOT one of the kingdoms included within the Eukarya domain?
a. Archaea b. Plantae c. Fungi
Biology & Microbiology
Butane and isobutane are isomers. This means they have the same:
A) number of carbon atoms but different numbers of hydrogen atoms. B) arrangement of atoms but a different chemical formula. C) chemical formula but can only exist as ring structures. D) chemical formula but a different arrangement of atoms.
Biology & Microbiology
If the birthrate is 22 per 1000 per year and the death rate is 8 per 1000 per year, what is the population growth rate?
A. 22% B. 2.2% C. 0.8% D. 1.4% E. 14%
Biology & Microbiology
Which of the following organisms would be considered a primary producer?
a. a spider b. an antelope c. an oak tree d. a wolf e. a bass
Biology & Microbiology