Around Day 21 of Development the Primitive Heart Begins to Beat

question 105

True/False

Around day 21 of development the primitive heart begins to beat. At this stage it contains the four chambers: two atria and two ventricles.

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Definitions:

Genetically Engineered

The alteration of the genetic makeup of an organism using biotechnology to include traits that are not naturally found in the organism.

Biofactories

Facilities that utilize biological processes, such as fermentation or enzyme production, for the manufacturing of pharmaceuticals, chemicals, or food products.

Mutation

A change in the DNA sequence within a gene or chromosome of an organism that results in the creation of a new character or trait not found in the parental type.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, a central concept in Charles Darwin's theory of evolution.