Answer:
<em>The correct option is C) C-shaped cartilage rings </em>
Explanation:
The trachea is commonly known as the wind-pipe. The trachea can be described as about a 4 inch long passage from which the air travels into the bronchi and lungs. The pathway of the trachea is kept open by C- shaped cartilages which are lined all over in the trachea. The C-shaped cartilages protects as well as maintain the shape of the wind-pipe. The rigidity of the trachea arises from the C-shaped cartilages.
Answer: Pelvic and sternum
Explanation:
bone marrow biopsy is a procedure that is used to obtain bone marrow usually with syringe for evaluation of various blood cells( leucocytes, erythrocytes ) and also for examination for different blood disesases such as leukemias and lymphomas and diagnose some genetic conditions. The common site for a bone marrow biopsy is the large pelvic bone near the hip and also some samples taken from the sternum (breastbone).
A bone marrow examination or test consists of two separate tests that are done at the same time namely:
1. Bone marrow aspiration that helps collect sample of the liquid portion of the bone marrow
2. Bone marrow biopsy that obtains a sample of the solid material.
Pleiotropy refers to the phenomenon of a single gene affecting multiple traits. Phenylketonuria is an example of Pleiotropy.
<h3>What is Pleiotropy?</h3>
The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects known as pleiotropy.
Phenylketonuria, generally known as PKU, is a rare hereditary condition that results in an accumulation of the amino acid phenylalanine in the body. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because of this gene. PKU can be seen to behave as a 'complex' trait.
Only 11.1 percent of MHP patients were homozygous, compared to 58.4 percent of individuals with classic PKU. Individuals with mild PKU had a compound heterozygous rate of 72.5% compared to only 35.1% in patients with classic PKU.
Learn more about pleiotropy here:
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