One of the forms of cystinuria (metabolic disorder of four amino acids) is inherited as an autosomal recessive trait. however, in heterozygotes, only an increased content of cystine in the urine is observed, and in homozygotes, the formation of cystine stones in the kidneys. determine the possible forms of manifestation of cystinuria in children in a family where one of the spouses suffered from this disease, and the other had only an increased content of cystine in the urine.
c – cystinuria, C – norm. Heterozygotes have an increased content of cystine in the urine, while homozygotes develop cystine stones.
Parents: cc × Cc
Gametes: c – C c
Offspring: Cc have an increased content of cystine in the urine, cc formation of kidney stones (1: 1).
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.