Which describes a value for density? a value for volume, such as m3, divided by a value for mass, such as kg a value for mass, such as kg, divided by a value for volume, such as m3 a value for distance, such as m, divided by a value for time, such as s a value for time, such as s, divided by a value for distance, such as m

Fa child has tay sach's disease, what would her parents' genotypes be? a) her father is heterozygous; her mother is heterozygous. b) her father is heterozygous; her mother is homozygous dominant. c) her father is homozygous dominant; her mother is homozygous dominant. d) her father is homozygous dominant; her mother is homozygous recessive.