ABO blood groups
More common in women than men
Homozygous normal-vision mother, father with colorblindness
Mother with colorblindness, father with normal vision
Heterozygous normal-vision mother, normal vision father
Heterozygous normal-vision mother, father with colorblindness
Sickle cell disease
Mother - Ww, Father - WW
Mother - ww, Father - ww
Mother - WW, Father - Ww
Mother - WW, Father - WW
A dominant genetic diosorder is expressed only if the individual has two copies of the gene.
A dominant genetic disorder is not expressed
A recessive geneticdisorder is expressed if the individual has only one recessive allele.
A recessive genetic disorder is expressed only if the individual has two recessive forms of the allele.