If a Person Has One Copy of Each of Two

question 8

Multiple Choice

If a person has one copy of each of two different alleles for a given gene,the person is ________ for that trait.

• A) heterozygous
• B) homozygous
• C) recessive
• D) true-breeding

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Definitions:

Preoperational Stage

According to Piaget, the stage from approximately age 2 to age 7 in which children’s use of symbolic thinking grows, mental reasoning emerges, and the use of concepts increases.

Cognitive Development

The process by which individuals acquire and process knowledge through thought, experience, and the senses over time.

Preoperational

Refers to a stage in Piaget's theory of cognitive development, where children aged 2 to 7 years use symbols to represent their earlier sensorimotor discoveries but lack the ability to perform operations or use logic.