Fraternal twins may or may not share similar characteristics due to

Which pattern most likely came from a gunshot and which one was produced from a blow on the head? explain your answer?

What types of energy transfers and energy transportations are involved in the domino chain reaction?

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.