An alteration of genetic information is shown
below.
a-g-t-a-c-c-g-a-t → a-g-t-g-a-t
this type of alteration of the genetic information
is an example of
(1) deletion (3) substitution
(2) insertion (4) recombination

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .