When do chiasmata form in meiosis?
a. during prophase i
b. during metaphase i
c. during anaphase i
d. during prophase ii

Eristics do scientists use to distinguish between organisms in different kingdoms

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

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.