Cast- solid copy
Mold- hollow form
Carbon film- details left after an organism decays
Trace fossil-record of an organisms activity
Petrified fossils- living things turned into rock
Answer:
However, an allele that is hidden, or not expressed by an organism, can still ... A trait in one generation can be inherited, but not outwardly apparent before ... of the offspring from a cross where the parents differ by only one trait will appear identical.
Explanation:
That's at least one of his parents are heterozygous
