The hollow area left in a rock from a former organism is an:
original remains fossil
mold fossil
cast fossil
amber fossil

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.

Answer questions from exploring further

How many copies of genes do gametes have?