Animals Having Radial Cleavage (Echinoderms)also Show a Type of Development,called

question 24

Short Answer

Animals having radial cleavage (echinoderms)also show a type of development,called __________ _________,in which separated blastomeres can develop into complete and normal organisms.

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Definitions:

Independent Assortment

A principle of genetics stating that genes for different traits are distributed to sex cells (& gametes) independently of one another.

Chromosome

A thread-like structure composed of DNA and protein that contains genetic information in the nucleus of eukaryotic cells.

Barr Body

Dark-staining body in the cell nuclei of female mammals that contains a condensed, inactive X chromosome; named after its discoverer, Murray Barr.

Nuclei

Organelles found in eukaryotic cells that contain most of the cell's genetic material and are involved in controlling the cell's growth, metabolism, and reproduction.