Mental Retardation in Which No Apparent Biological Defect Exists,but There

question 24

Short Answer

Mental retardation in which no apparent biological defect exists,but there is a history of retardation in the family,is known as _______________.

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Definitions:

Transfer RNA

A type of RNA molecule that helps decode a messenger RNA (mRNA) sequence into a protein during the process of translation.

Genetic Information

The instructions encoded in the DNA and genes of an organism for development, functioning, growth, and reproduction.

Nucleus

A membrane-bound organelle found in eukaryotic cells, containing most of the cell's genetic material.

Chromosome

The structure that transmits the genetic material from one generation to the next; composed of condensed chromatin; each species has a particular number of chromosomes that is passed on to the next generation.