D. lod score E. genotype at disease locus in patients and normals 13. C. infertile male D. infertile female E. a male with normal fertility 15. In the following pedigree, the CFTR locus was analyzed by hybridizing ASOs to PCR amplified DNA from family members. Given the autoradiogram below which of the following members are CF heterozygotes. E. all of the above 18.
Melanin biosynthesis requires a number of enzymatic reactions.
Two unrelated individuals with albinism marry and have four children all with normal pigmentation. The parents are homozygous recessive, but at different genetic loci. D. Albinism is a multifactorial disorder that is controlled by genetic and environmental factors. E. This type of albinism is dominant with incomplete penetrance. D. 23S rRNA E. promoter elements like the TATA box 20.