Which One of the Following Matrices Has an Inverse Which

question 5

Multiple Choice

Which one of the following matrices has an inverse which is not listed? $A = \left[ \begin{array} { l l } 1 & 1 \\ 1 & 0 \end{array} \right] , B = \left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right] , C = \left[ \begin{array} { l l } 0 & 1 \\ 1 & - 1 \end{array} \right] , D = \left[ \begin{array} { r r } 1 & - 1 \\ 1 & 0 \end{array} \right] , E = \left[ \begin{array} { l l } - 1 & 0 \\ 0 & 1 \end{array} \right]$

• A) E
• B) A
• C) B
• D) C
• E) D

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Definitions:

Epistasis

Condition in which certain alleles of one locus alter the expression of alleles of a different locus.

Alleles

Different forms of a gene that arise by mutation and are found at the same place on a chromosome.

Gene Interaction

The ways in which different genes influence each other's expression, often leading to complex traits or outcomes in an organism.

Calico Cats

Cats characterized by a tri-color fur pattern, typically involving patches of orange, black, and white, this pattern is most commonly found in female cats due to genetic linkage to the X chromosome.