Mr and Mrs

question 44

Multiple Choice

Mr. and Mrs. Smith have three sons in elementary school. Two of their children are progressing normally, but their youngest son, Charles, has been much slower than his siblings in developing speech and language skills. His parents are concerned that he has a learning disability and decide to investigate further. Since some learning disabilities can be genetically based, their pediatrician recommends a chromosomal analysis.
The results show that Charles has a trisomy of the sex chromosomes, diagnosed as XYY. A mistake during sperm formation resulted in an extra copy of the Y chromosome. The extra copy was passed on to Charles during fertilization. Most often, this chromosomal change causes no unusual physical features or medical problems, but those with trisomy of the sex chromosomes may have a higher-than-normal risk of delays in learning development.
-The problem that occurred during meiosis in sperm formation was

• A) nondisjunction involving a Y chromosome.
• B) an inversion of the X chromosome, preventing the pairing of sex chromosomes.
• C) failure of the second meiotic division to take place.
• D) formation of diploid sperm.

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Definitions:

Rational-emotive

A form of psychotherapy that identifies and challenges irrational beliefs, emphasizing a connection between rational thinking and emotional well-being.

Family Therapy

A form of psychotherapy that involves treating family relationships to nurture change and development, focusing on the family as a whole rather than on individual members.

Assertiveness Training

Assertiveness Training is a form of behavior therapy aimed at increasing a person's ability to express their needs and desires confidently and respectfully.

Social Skills

Social skills are interpersonal behaviors that are conditioned through environmental interactions and used to communicate and interact with others effectively.