If R is dominant over r what is the chance that an offspring will exhibit the dominant trait

The offspring will show the dominant trait 100% if it has the dominant allele in its genotype (ex. Rr and RR will always exhibit the dominant trait or phenotype).

Explanation:

the tricuspid valve is present between right atrium and right ventricle

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.