When Morrison Et Al

question 113

Multiple Choice

When Morrison et al., compared the cognitive performance of children who had just made the age cutoff for entering first grade with children who had just missed the cutoff and spent the year in kindergarten, they found

• A)no difference in cognitive skills for these two groups.
• B)higher performance on language, but not math, for the first-grade group.
• C)higher performance on math, but not language, for the first-grade group.
• D)higher performance in both math and language for the first-grade group.

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Definitions:

Transcriptional

Pertaining to transcription, the process by which genetic information from DNA is copied to messenger RNA.

Operon

Group of structural and regulating genes that function as a single unit.

Transposons

DNA sequences that can change their position within the genome, sometimes creating or reversing mutations and altering the cell's genome size.

DNA Sequences

The precise ordering of nucleotides within a DNA molecule, representing the genetic information of an organism.