Heterozygous individuals that can pass on recessive, abnormal conditions even if they do NOT express the disease are referred to as __________.

Identify that a heterozygous individual with one normal allele and one recessive allele does not express the disease because the normal allele is dominant.

Learn that such heterozygous individuals can still pass the recessive allele to their offspring, potentially leading to the disease if the offspring inherits another recessive allele from the other parent.