Which of the following would a prokaryote have? A. Cytoplasm
B. Nucleus
C. Mitochondria
D. Golgi apparatus

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm