Answer:
A person can have normal chromosomes in number and structure, but still have a disease or condition caused by a mutation in one or more of the genes on the chromosomes. A single gene defect usually does not cause the chromosome structure or number to be abnormal.
Explanation:
I'm not sure if this is correct but hope it helps.
Antibiotics only kill bacteria. Viruses aren't even alive to begin with.
Observational learning is also known as social learning theory.
<h3>What is observational learning?</h3>
Observational learning is to the process of learning by the watching the behaviors of the others. The targeted to the behavior is watched, memorized, and then it is mimicked. Also known as the shaping and modeling, observational learning is to the most common in to the children as they imitate by the behaviors of adults.
Observational learning, also this is called social learning theory, occurs when an observer's behavior of changes after viewing the behaviour of any components. An observer's of the behavior can be defined and affected by the + or - consequences--called by the vicarious and reinforcement or vicarious of the punishment-- of a model's behaviour.
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I think the answer is D, because the DNA wraps around proteins called histones to form chromatid.
