The first step in mitosis is: 1.chromosomes pull away from each other
2.the nucleus of the cell forms
3.a cell splits apart
4. second set of chromosomes is produced

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.

A(n) is a molecule influences the way that a molecule reacts.

In what locations does this text suggest you might find zooflagellates living? fresh water lakes on the surface of leaves inside other organisms on damp forest floors