•¿Por qué existen dos alternativas en esta característica en humanos? •¿Habrá una característica que sea más beneficiosa que la otra?

•¿Qué determina que una característica sea más beneficiosa que la otra?

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.

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Which of th following best describes how genes produce traits in an organism?