Which of the following statements regarding fins on fishes is true?
a. fins evolved so that fish could swim better.
b. fins resulted from a mutation caused by a movement from land to water.
c. fins are an adaptation that aid in swimming.
d. fins came about because animals couldn't live in water without them.

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.

Does any one know what blood tastes like

The punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. in this cross, tallness (h) is dominant to shortness (h). based on the punnett square, what is the phenotype of the offspring? hh hh tall short