Use the Punnett square below to answer the following questions R = round seeds; r = wrinkled seeds; Y = yellow seeds; y = green seeds
RY
Ry
rY
rY

A

RY

B

Ry

C

rY

rY

Predict the genotypes and phenotypes of the three possible gamete combinations labeled A, B, and C in the Punnett square. Be sure to describe the seed color and shape.
A.
B.
C.

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Where substance is produced during cellular respiration

How do disease caused by bacteria and disease caused by viruses react to antibiotics