Find the Cofactor of the Indicated Element $\mathrm{a}_{21}$ $\left|\begin{array}{rrr}5 & 2 & 1 \\-3 & 0 & 1 \\1 & 5 & 2\end{array}\right|$

question 303

Multiple Choice

Find the cofactor of the indicated element.
$\mathrm{a}_{21}$
$\left|\begin{array}{rrr}5 & 2 & 1 \\-3 & 0 & 1 \\1 & 5 & 2\end{array}\right|$

• A) -1
• B) 1
• C) -23
• D) 23

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Definitions:

Indirect Benefit

An indirect benefit is a benefit that affects the genetic quality of a particular female’s offspring, such as male offspring that are more desirable to females.

Sexual Conflict

A situation in evolutionary biology where the evolutionary interests of males and females diverge, often leading to an evolutionary arms race between the sexes.

Reproductive Organs

Specific organs within an organism that are involved in the production of offspring, including structures for producing gametes and facilitating fertilization and gestation.

Sexual Selection

A form of natural selection where individuals with certain inherited characteristics are more likely than other individuals to obtain mates.