Pretend that dad is homozygous for the blood type B allele, and mom is type O. what are all the possible blood types for their baby?

The possible blood type for their baby is blood type B

Explanation: The dad is homozygous for blood type B allele, this means that he has two alleles of blood type B, therefore his genotype for the blood type is BB. The mom has blood type O, blood type O is recessive therefore the genotype of the mom is OO.

A cross between BB and OO will produce BO, BO, BO, and BO. All the offsprings will have NO genotype and this means that all of them will have blood type B.

See the attached punnet square for further information

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: