A ________ Is a Lower-Triangle Matrix Containing Pairwise Distances Between

question 23

Multiple Choice

A ________ is a lower-triangle matrix containing pairwise distances between objects or cases.

• A) similarity/distance coefficient matrix
• B) classification matrix
• C) factor matrix
• D) correlation matrix

---

Definitions:

Nondisjunction

An error in cell division where chromosomes do not separate properly, leading to gametes with an abnormal number of chromosomes.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental and physical changes.

Meiosis

A type of cell division that reduces the chromosome number by half, resulting in four haploid cells, each genetically distinct from the parent cell, essential for sexual reproduction.

Phenylketonuria

A genetic disorder characterized by the body's inability to break down the amino acid phenylalanine, leading to harmful accumulations.