If a father has type A blood and the mother has type AB blood, they would not have a child with which of the following blood types? -AB
-A
-B
-O

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old