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Discussion Board Biology
"Evolution"
Note: Online students, please respond to one of the following three bulleted items.
• Using the internet and Strayer databases choose three recent advances in genetics, development, and geology and explain two ways your chosen advances have enriched our understanding of evolution. Next suggest two ways that new sources of evidence for evolution can help to corroborate observations that were made by early evolutionary thinkers.
• Read the Science article entitled, "Humans have more primitive hands than chimpanzees" found here. Next provide a brief summary of the article and discuss whether or not you think humans have more primitive or advanced hands than chimpanzees. Justify your response.
• Read the Economist article entitled, "Evidence of past tsunamis may indicate the likelihood of future ones" found here then provide a 100-250 word argument for or against the idea that past events will be a predictor of future tsunamis based on what you have learned about fossil evidence.
In Jim's checkup one year after an accident severed his right accessory nerve, severe muscle atrophy was noted. What two prominent muscles have been affected?
describe the mechanism responsible for the cessation of lactation when a mother weans her baby.
what structures connect the fetal blood to the mother's blood?
Which of the following types of mammals occur worldwide?
Consider Two hypothetical autosomal genes, a and b, where aheterozygote is testcrossed to a double- homozygous mutant. Predictthe phenotypic ratios under the following conditions
q1. whilst playing lacrosse frank took a blow to the back of his neck. this caused swelling of the posterior spinal
explain why u.s. medical professionals have changed their focus on heart disease over the years including on the
Which of the following is not found in a eukaryotic promoter?
Read the Science article entitled, "Humans have more primitive hands than chimpanzees" found here. Next provide a brief summary of the article and discuss whether or not you think humans have more primitive or advanced hands than chimpanzees. Just..
Besides the obvious sexual organs that are different between the sexes, name 3-5 other major bodily differences between males and females. Why the difference?
Suppose a scientist observes an abnormality in the growth of robin embryos in a certain area. What flaws, if any, can you find in this experiment that might lead you to question the scientist's conclusions?
In fruit flies, the recessive v allele results in vermilion (bright red) eyes; the wild type v+ allele results in red eyes. The dominant p+ allele of a second gene is required to produce pigment; the recessive p allele results in white eyes.
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