In order to determine the results from a father who is homozygous recessive for the tongue rolling trait, T, and a mother who is heterozygous for the trait, a Punett square can be used to determine both the resulting genotype (allele combination) and phenotype (observable characteristics). The results are 50% Tt and 50% tt. Thus, the cross would result to 1:1 ratio of tongue rolling to non-tongue rolling offsprings.
Explanation:
External plant structures such as leaves, stems, roots, flowers, fruits and seeds
The most specialized organism is the GRIZZLY BEAR. Specialized animals refers to those animals, which have different types of cells in their body which carry out different types of functions.
