The red-green color blindness is a recessive X-linked trait. The females are not affected unless both the X chromosomes have the affected allele. Mostly, the females are the carriers, and the males are affected as they have only one X chromosome. In the given pedigree, the father of Irene have the normal allele, while her mother is a carrier. However, Irene is neither a carrier nor affected. This means that she carries normal alleles on both X chromosomes. Hence, her allele combination is 
.
Answer:
A protozoa is animal-like
Explanation:
They share some traits of animals, they eat things outside of themselves.
The answer that would best complete the given statement above would be the word REMINDER. Here is the complete statement. As a product in the maturity stage of its life cycle, chewing gum brands would most likely require the use of reminder advertising to prompt purchases. Other options for this question include informative, <span>persuasive, push and pull. </span>
Cell wall is an envelop covering the cell.Owing to its exceptional strength and its ability to control cell shape,the extracellular matrix of eubacteria,algae,fungi and plants is called the cell wall.cell wall provides rigidity and protection.It help in maintaining the shape and stiffness.
Your answer is A. during an extended surgical procedure
