Rico, the Border Collie, Can Fetch 200 Items by Name

question 23

Multiple Choice

Rico, the border collie, can fetch 200 items by name. If asked to retrieve a toy with a name he has never heard before, Rico will fetch a toy that is

• A) a prototype.
• B) new.
• C) most easily available.
• D) broken.

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Definitions:

Genetically Female

Refers to individuals with two X chromosomes in their genetic makeup.

X Chromosome

One of the two sex chromosomes, with females having two X chromosomes and males having one X and one Y chromosome, playing a crucial role in determining genetic attributes.

Sex Chromosome

Chromosomes, specifically the X and Y chromosomes in humans, that determine the biological sex of an individual.

Chromosomes

Structures within cells that contain DNA and carry genetic information, humans typically have 46 chromosomes in 23 pairs.