What is represented by a pair of lower case letters such as tt in a punnets square? a. a heterozygous pair of genes b. a pair of recessive genes c. a dihybrid pair of genes d. a pair of dominant genes

b.

IF it was two upper case like TT then itd be dominant

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion