The correct answer is: a tourniquet.
The tourniquets are tight straps around an arm or leg and tightened to stop bleeding, used to control arterial and venous blood flow. In the past, tourniquet are used to control bleeding during amputations. Now, a tourniquet is used in surgeries to block arterial blood flow following and to minimize blood loss.
A donor offspring is the donation of sperm
Answer:
The correct answer is : the female chromosome
Explanation:
- According to the question, it is mentioned that R is a dominant allele, responsible for the red eyes.
- RR is a genotype for Red eyes.
- A fruitfly has a diploid genotype which means each trait is represented by a pair of chromosomes.
- In the above question, the dominant red eye colour trait is represented by the pair of chromosomes RR.
- Therefore, XX must represent another trait.
- By convention, a pair of X chromosomes (XX) represent a female and a combination of X and Y chromosomes (XY) represents a male.
- Given XX genotype represent a female fruitfly chromosome.