Studies of Homeobox Genes (HOX Genes) are found in organisms as far back as 600 million years.
What kind of evidence for evolution is this called?
What is the significance of this evidence when compared to other forms of evolutionary evidence?

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Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?