Answer:
E
Explanation:
Turner syndrome females have a phenotype because there are regions of the X chromosome that normally escape inactivation, allowing 2 copies of the gene to be expressed. These regions are called pseudoautosomal regions.
These are inherited in a typically autosomal fashion, permitting crossing over between the X and Y. In Turner syndrome, the lack of second X chromosome means these genes are missing and the phenotypes result from haploinsufficiency
Answer:
Height
Explanation:
Characteristics that show continuous variation are influenced by both the genetic makeup and the environment. For example height is attained by a person is a function of both his genotype and his diet. He will only attain his maximum intellectual capacity if he is livng in an intellectually stimulating environment.
Answer:
Cells undergoing mitosis just divide once because they are forming two new genetically identical cells where as in meiosis cells require two sets of divisions because they need to make the cell a haploid cell which only has half of the total number of chromosomes.
Explanation:
During inspiration , the intrapulmonary pressure is the atmospheric pressure. At this point the intrapulmonary pressure is greater that intrapleural pressure.
Air flows into the lungs largely due to difference in pressure , atmospheric pressure is greater than infra-alveolar pressure . It is changes during the different phases of breathing because the alveolar which connected to atmosphere via tubing of airways.Due to certain characteristics of the lungs the intrapleural pressure is always lower than or negative to the intra-alveolar pressure.
Intrapleural pressure air within the pleura cavity , Intra- alveolar pressure, between the visceral and parietal pleurae, , intrapleural pressure which is also changes during the different phases of breathing and due to certain characteristics of the lungs, the intra-alveolar pressure .
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