His parents maybe a having the genotypes of GG and Gg. Galactosemia is a dominant allele so whoever gets the dominant allele, that person is positive to the disorder. Having a parent who is dominant homogeneous alleles crossed by a carrier could have a higher probability to have a child who will inherit this gene.
Shelled protozoans became part of 7 layers
Answer:
process of copying DNA prior to cell division
Rough and smooth endoplasmic reticulum
True because Sigmund Freud (1890-1930) developed these collection of theories