1. This pedigreetraces tongue rolling in a family.The ability to roll your tongue incontrolled by a dominant allele; people with the recessive allele cannot roll their tongue. Identify the phenotypes and genotypes of all the people shown in this pedigree.
2. Duchenne muscular dystrophy is an X-?linked recessive trait. The following pedigree shows the occurrence of this disorder in an extended family. Provide the phenotypes and genotypes of all the individuals in the pedigree.
3. Lesh-?Nyhan syndrome is an X-?linked recessive disorder caused by a deficiency of a certain enzyme known as HPRT. Lack of HPRT leads to a build up a uric acid in the body, resulting in moderate mental retardation, poor muscle control, and the formation of crystals in the joints, kidneys, and nervous system. The following pedigree shows the occurrence of this disorder in a family. Provide the phenotypes and genotypes of all the individuals in the pedigree.
4. Familial Mediterrenean Fever (FMF) results in short but recurring episode of fever, as well as pain in the chest, joins, and abdomen. The disease occurs most frequently in medittereanean descent. The gene responsible for FMF was discovered in chromosome 16 in 1997. The following pedigree shows the occurrence of this disorder of one family. How is FMF inherited? Provide all the phenotypes and genotypes of all the individuals in the pedigree. Whose genotype can you not be sure of?
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