The Punnett square on p. 70 of your lab manual shows the genotypes of two parents for trait R. Use this Punnett square to answer the questions in this exercise. Trait R is the Mendelian trait in humans for tongue rolling. The allele for the ability to roll the tongue (R) is dominant over the allele for the inability to roll the tongue (r). What is the mother's genotype?

burning fossil fouls really decrease the carbon in the atmosphere so b

the answer is d p: cell, q: organ, r: organ system, s: tissue

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.