Excuse me , that the baby is a heterozygote is two-thirds ?
那幺，那个孩子是杂合子的概率是2/3么？
Many of the so-called inborn errors of metabolism are inherited as a recessive trait - i.e. are apparent only in the homozygous individual , although sometimes the symptomless heterozygote can be identified by demonstrating subnormal activity of the gene product .
