During the creation of an oocyte 3 additional haploid cells are created that will not be fertilized

Which image shows labeled organelles that are present only in plant cells?

What is the next step in muscle contraction after the actin changes shape? (apex)

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.