Final answer:
The fill in the blanks are as follows:
4) Punnett Square
5) inherited traits
6) genotype
7) phenotype
8) genes
Step-by-step explanation:
Mr. and Mrs. Smith wanted to find out the probability of their next offspring having red hair and freckles like their father. They contacted a scientist who created a Punnett square and told them that the chance would be high. Red hair and freckles, which are inherited traits because they were passed down from their father. The genetic makeup or genotype tells which phenotype, or trait to be seen. These traits are passed on through genes found on the DNA.