Comparisons of Genetic Information from Various Invertebrate Groups Have ____

question 21

Multiple Choice

Comparisons of genetic information from various invertebrate groups have ____.

• A) confirmed nearly all classifications that were based on phenotypic resemblances
• B) provided a complete and final picture of animal phylogeny
• C) led to a decision to forgo formal classification of animals
• D) led to a reshuffling of the classification of animals that is still being refined
• E) confirmed that some invertebrates should be classified as vertebrates

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Definitions:

Blood-Clotting Factor

A protein in the blood plasma that is essential for the clotting process to prevent excessive bleeding.

Cri Du Chat Syndrome

A human genetic disease caused by losing part of the short arm of chromosome 5 and characterized by intellectual disability, a cry that sounds like a kitten mewing, and death in infancy or childhood.

Chromosome 5

One of the 23 pairs of human chromosomes, containing genes that are essential for various cellular functions and hereditary traits.

Aneuploidies

The presence of an abnormal number of chromosomes in a cell, leading to genetic imbalances and often associated with diseases.