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1. The drawing below shows a cell in a phase of mitosis. What phase is shown? How many chromatids are present in this stage? What is the total number of chromosomes each daughter cell will have?

Your response should be at least 75 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.


2.Cystic fibrosis is a disease caused by a recessive allele, and so it appears only as a homozygous recessive genotype. Two parents without cystic fibrosis have a child who does have the disease. describe what happened and include a Punnett square in your answer. (You can use a word-processor table with three columns and three rows to draw the Punnett square, and watch out for automatic capitalization. If your word-processor cannot draw a table, then describe what is in each cell of the table.)

Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response and you will need to conduct research beyond the textbook. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

3.How did the phrase "dumb jock" come to be? (This is a rhetorical problem.) The phrase reflects two characteristics, intelligence and athletic prowess. Let us suppose that above average intelligence occurs in 25 out 100 children and superior athletic prowess occurs in 1 out 50 children. Using the rules of multiplication or addition, find out the odds on a person having above average intelligence AND athletic prowess.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M943226

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