What Is the Best Explanation of a Child Having the Physical

question 20

Multiple Choice

What is the best explanation of a child having the physical phenotype of Down syndrome but having a totally normal karyotype on chromosomal analysis of blood?

• A)Mosaicism of trisomy 21 in various tissues
• B)Inaccurate technique for chromosomal analysis
• C)Uniparental disomy for somatic cells but not for germ cells
• D)Selective chromosome loss during meiosis II of gametogenesis

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Definitions:

Acculturation

The process of cultural change and psychological change that results following meeting between cultures.

Enculturation

The process by which individuals learn and adopt the values, customs, and norms of their culture.

Assimilation

The process by which a person or a group's language and/or culture come to resemble those of another group.

Achievement

The accomplishment of a goal or attainment of a higher level of performance, often recognized and measurable.