In trisomy 21 no genetic information is missing from these individuals, but an abnormal copy of this

chromosome creates a genetic imbalance which causes abnormal physical and mental development.
_________________ Indicate whether the statement is true or false.


F, extra

Biology & Microbiology

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The nucleotide sequence in mRNA that carries the protein-building instructions is found in the ____

a. promoter b. nucleotide cap c. introns d. transcript e. exons

Biology & Microbiology

Several lines of evidence, including fossils and a genetic analysis of different groups of modern humans, suggest that our species originated and spread out from:

A) east Africa. B) central Europe. C) India. D) north Africa.

Biology & Microbiology

What kind of an organism is an earthworm?

A. herbivore B. detritus feeder C. omnivore D. carnivore E. producer

Biology & Microbiology

In the above diagram, B represents ____

a. large diameter blood vessels b. capillary beds c. the zone of diffusion of gases and nutrients d. the heart e. capillary beds and the zone of diffusion of gases and nutrients

Biology & Microbiology