Which family members have red-green color blindness? sam, tim, bella, and joshua lisa and monica ben, jenny, mike, carol, katie, and chris sam, joshua, and tim

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.

All ova contain sex chromosomes corresponding to: x y xx xy

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis