Answer:
The fundamental structure of a chromosome is subject to mutation, which will most likely occur during crossing over at meiosis.
Explanation:
Rosalind Franklin contributed to the understanding of DNA by discovering It's shape and structure.
Answer:
A) genetic influences and chemical imbalances in the brain
Explanation:
An anxiety disorder is a psychiatric disorder where the individual experiences an excessive and irrational worry in everyday situations. Generalized anxiety disorder, phobias, panic attacks, etc are examples of anxiety disorders.
<em>Anxiety does not have a specific cause, it can be the result of different factors like changes in the brain's chemistry, environmental stress or even genetics.</em>
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