7.
down syndrome may be the result of a piece of chromosome 21 breaking off and reattaching to chromosome 14. this type of gene mutation is known as a

base-pair substitution

gene translocation

base-pair inversion

gene duplication

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

In the practice of science, this type of reasoning is used to develop explanations.