N recessive disorders linkage studies primarily study affected individuals because: Select one: A. They have high heterozygosity B. They have carrier parents C. They have known genotypes D. They are frequent in the population E. They are heterozygous for their mutations

B. They have carrier parents

Explanation:

A recessive gene occurs in person when the person has inherited the same two alleles for gene, one from each of the parents. Due to the fact that the alleles are similar it is also know as homozygosity.

A recessive gene could lead to disorders in a person. Examples of recessive disorders are: Sickle cell anaemia, Albinism, Cystic fibrosis e.t.c.

Recessive disorder linkages are primarily studied because the parents of the individual who has a recessive gene disorder are carriers of that same gene.

mammal

explanation: