Which of the following is an example of a global environmental choice? a students deciding to ride bicycles to their schoolb nations meeting to discuss the ozone layerc town council considering a new nature refuged a family deciding to recycle newspapers

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

The cluster of developing cells from conception until birth is called an

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