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In humans red hair and freckles are both autosomal recessive traitswhich are controlled by 2 different genes which are linked on thesame chromosome 15 map units from each other.Richard and Bettydon't have red and freckles but Richard's father had freckles andred hair, betty mother had red and no freckles and her father havefreckles and brown hair.none of richard and betty's slibling havered or freckles.
Richard and berry are interested in knowing the likelihood thattheir first child will have red hair and freackles .what will youtell them?explain
Organisms like jellyfish, sponges and flatworms do not have a circulatory system or lungs. What adaptations do these organisms have for oxygen delivery?
Reporter genes are often used to study how the transcription of a particular gene is controlled during fruit fly development. You are interested in a gene called brainless that you think is involved in neural cell development.
Describe how and why atmospheric carbon dioxide levels fluctuate daily, seasonally, and geographically. Also why is the carbon cycle tied to energy flow charts?
Assume you isolate a mutant e.coli strain that is unable to grow without tryptophan supplementation at 37 degrees C but grows normally at 25 degrees C.
Explain how restriction enzymes, gel electrophoresis and Southern blotting are used during DNA fingerprinting.
Assume y ou are analyzing a dominant allele in fruit flies that mutates to a recessive allele at the relatively high rate of 10 -6 per generation.
Why are anaerobic sulfate-reducing or metal-reducing prokaryotes important in bioremediation study?
What might you be able to see at 4000x magnification that youcou;dn't see with regular microscopes? List the parts of the cell you could see in the cheek cells at40x magnification?
many corporations are offering health risk assessments to help employees understand their risks for certain diseases.
In order to study transcriptional regulation and attenuation in the tryptophan operon, the UGG codons for tryptophan in the trp leader mRNA sequence were mutated into UUG codons. Using this altered trp operon, please answer the following questions..
What is importance of Helper T-cell in our Immune System? why HIV only attack Helper T-cells?
White fruit color in summer squash is dependent on dominant allele W and colored fruit on recessive allele w. In the presence of ww and a dominant gene G, the color of the fruit is yellow.
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