An Elementary School Teacher Practically Ends Classroom Discipline Problems by Giving

question 2

Essay

An elementary school teacher practically ends classroom discipline problems by giving students "chances" in a lottery to be held at the end of the week for some small toy. The students have chances taken away if they break various rules. The students are participating in an operant conditioning system known as a(n)__________.

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Definitions:

Carriers

Individuals who have one copy of a gene for a recessive trait and can pass that gene to their offspring, even if they do not exhibit the trait themselves.

Recessive Genes

Genes that are not dominant and can be masked by the presence of dominant genes, requiring two copies, one from each parent, for the trait to be expressed.

Meiosis

The form of cell division in which each pair of chromosomes splits and one member of each pair moves to the new cell. As a result, each new cell has 23 chromosomes.

Sex Chromosomes

Chromosomes that determine an individual's biological sex, typically presented as XX for females and XY for males in humans, affecting the development of sexual characteristics.