PL HELPPP Which of the following pairs are mismatched?
A. secretin and contraction of the gall bladder

distal convoluted tubules and secretion of urea

C. collecting duct and ADH

B. Bowman's capsule and filtrate

What re the two main phrases of the cell cycle.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

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.