Find the Inverse of a If It Has One, or State

question 5

Multiple Choice

Find the inverse of A if it has one, or state that the inverse does not exist.
- $$A = \left[ \begin{array} { r r r } 1 & 0 & 0 \\- 1 & 1 & 0 \\1 & 1 & 1\end{array} \right]$$

• A) Inverse does not exist
• B)
• \[\left[ \begin{array} { r r r }
• 1 & 0 & 0 \\
• 1 & 1 & 0 \\
• - 2 & - 1 & 1
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r }
• - 1 & 0 & 0 \\
• - 1 & - 1 & 0 \\
• - 1 & - 1 & - 1
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { l l l }
• 1 & 1 & 1 \\
• 0 & 1 & 1 \\
• 0 & 0 & 1
• \end{array} \right]\]

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Definitions:

Genomic Imprinting

A biological occurrence where specific genes are activated based on which parent they are inherited from.

Polygenic Inheritance

An inheritance pattern in which traits are controlled by more than one gene, contributing to the phenotype in a cumulative or interactive manner.

Incomplete Dominance

A genetic situation in which one allele does not completely dominate another allele, resulting in a new phenotype that blends the parents' traits.

Monozygotic

Pertaining to identical twins that developed from a single fertilized egg, sharing the same genetics.