A mother is heterozygous for Type B blood and a father has type O blood, what is the probability of the offspring having Type B blood A. 25%
B. 0%
C. 50%
D. 100%
E. 75%

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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

What is the difference between an igneous, sedimentary and metamorphic rock