What if there was a robot that could clean up litter and pick it up from the streets how will that help the environment?

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.

Explain the significance of thesaurus geographicus

The first generation of offspring from the cross of two parents is called the a. f1 generation b. f2 generation c. short generation d. p generation