Answer:
An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without modification, growth could not occur. i hope this help
Explanation:
Answer:
Option A, 1/64
Explanation:
The genotype of a carrier female would be Pp
The genotype of a carrier male would be Pp
When these two adults are crossed , the following offspring are produced
Pp x Pp
PP, Pp, Pp, pp
Thus out of four children 3 children have normal phenotype but two are carrier.
So probability of having one normal child (with genotype PP) is 
So the probability of three normal children is

Hence, option A is correct
Diagnosis and identification of pathogenic bacteria is important for correct disease diagnosis.
Pathogenic bacteria are the one that causes disease in humans. many species of bacteria are harmless but some can be infectious and causes sever disease . So, the correct identification of disease causing bacteria is very important for prevention and control .
Your body can be more prone to bacterial infections when your immune system is compromised . Antibiotics are used to treat bacterial infections. In general raw food from animal origin contain most of the pathogenic bacteria like uncooked meat ,raw or lightly cooked eggs raw fishes .
To learn more about Pathogenic bacteria , here
brainly.com/question/9673295
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