People tend not to believe/accept things they can't see proof of with their own eyes or things that lack scientific evidence.
Continental drift is something that spans hundreds of thousands of years. People don't live that long to be able to see the position of the continents and land changing over time. Also when Wegener proposed this theory, he couldn't explain how continental drift occurred, so lacking scientific evidence, many people did not believe him.<span />
Answer:
mucus
trachea
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Answer:
A Jewish couple is about to be married but they both worry about their family history. The man's uncle and the women's aunt died of Tay Sachs disease. Infer why the couple is hiring a genetic counselor analyze their families pedigree.
Reasons are not far-fetched, both intended couple might carry a dominant gene for Tay Sachs disease or one of them has a dominant gene for such, it is pertinent a genetic counselor analyze their family pedegree in order to avoid having such disease or passing it to their offspring.
The chances of either of the intended couple to carry such dominant gene of the disease is imminent.
Explanation:
Answer:
carbon monoxide , nitrogen oxide water vapour ozen gases etc
The genotype would be X'Y for the father (he would be colorblind)
The genotype would be X'X for the mother (she would be a carrier)
The offspring would be X'X' _ X'X_ X'Y_ XY
The ratio would be 1:1 normal to colorblind
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