The correct answer is random fertilization.
Together with crossing over and independent assortment, random fertilization represents the way by which sexually reproduction contributes to genetic variation. <span>Random fertilization refers to the random event of fertilization when there is no way in knowing which sperm will fertilise which egg (64 trillion possible combinations of genes that can occur during fertilization). Any sperm cell from the male can fuse with any egg cell from the female.</span>
Beneficence is the practice of offering selfless help to others. Medical and health practitioners are called upon by ethicists to uphold a high degree of commitment to helping other, and refraining from causing harms to others as well as rescuing their patients if they are in dire need of their special skills in treatment and medicine. the practitioners are expected to adhere to acts that brings more benefit to people, their patient and society at large.
Shortness of breath or difficulty in breathing is also called dyspnea and can be acute or chronic. It has various causes, but mainly can be caused by a problem in the heart or the lungs. Since your heart and lungs are both involved in the transportation of the oxygen to the tissues and the removal of carbon dioxide, any problems occurring to these systems can affect breathing.
B-type Natriuretic Peptide (BNP) reflect the systolic and diastolic activity of the heart and its blood levels can show any heart failure. A BNP test and can help the nurse decide whether the cause of the dyspnea is a heart failure or some respiratory problem.
<span>Sponges possess the defense mechanism of releasing toxins that make a predator</span>
The most common antibiotic for infections is penicillin.