'Baby Doe' rulings-review and comment

Summary

Controversial "Baby Doe" regulations address withholding treatment from newborns with disabilities, sparking debate. Medical and legal fields seek alternatives amid pending legislation on this ethical issue.

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Parental Care00:55

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Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, which often have young that are born relatively helpless. Several species of insects and fish, as well as some amphibians, also care for their young.
Regulation of Expression Occurs at Multiple Steps02:24

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Gene expression can be regulated at almost every step from gene to protein. Transcription is the step that is most commonly regulated. This involves the binding of proteins to short regulatory sequences on the DNA. This association can either promote or inhibit the transcription of a gene associated with the respective sequence.
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Regulation of Expression Occurs at Multiple Steps02:24

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Transcription results in the generation of precursor (pre-mRNA) that consists of both exons and introns, which needs further processing before being translated to a...
Review and Preview01:10

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Regulation of Expression at Multiple Steps01:23

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