State whether the sugars below are triose, pentose or hexose and explain why you have classified them as such

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

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.

Pl which diagram illustrates prophase?