NO PLAGIARISM! I know you can find some online but it needs to be your own work. I need all these to be 100% correct to get all my points and I need it considering how bad i did on my last exam. So please take your time and do this correctly. I need the answers sent back to me in a pdf document. The attachment is below.Also pay attention to each question and what it is asking for!!For 50% of the points missed on Exam I, please answer the following questions in detail.
Show ALL work. Submit these answers (don’t forget to convert to pdf)
1. A (continuous vein) > a (discontinuous vein);
F (full leaves) > f (slender leaves) ;
H (heat tolerant) > h (vulnerable to heat)
L (Late blooms) > l (early blooms)
Aa Ff Hh LL
Aa Ff hh Ll
a. What is the PHENOTYPE of the second parent in the cross?
b. What is the probability of having an offspring which is Aa FF hh Ll? Show your work with
the small Punnett squares as well as the fractions that you multiply.
c. What is the probability of producing a plant with continuous veins, full leaves, and heat
tolerant? Show your work with the small Punnett squares as well as the fractions that you
d. What is the total number of phenotypes from this cross? Show your work.
2. For these questions, you MUST consult your notes/PPT/book for answers that are not vague. If
it is even mentioned that replication of DNA occurs during cell division, it is incorrect and you will
need to redo this. Here is an example of an appropriate answer for a difference that you cannot
use: During mitosis, the chromosomes randomly line up in the middle of the cell while in meiosis,
tetrads of homologous chromosomes are lined up in the middle during Metaphase I.
a. Explain how mitosis and meiosis are similar in their processes or mechanism using two
b. Explain how mitosis and meiosis are different in their processes or mechanism using two
**Please stay away from superficial statements such as both are a type of cell division. We are
asking for a more detailed example based on how the cells proceed through the processes which
has been highlighted in discussions, videos, and readings.
3. Red-green color blindness is caused by an X-linked recessive allele. Suppose a color-blind man
and a woman with normal vision and no family history of color blindness married and had a
daughter who was color blind and had Turner syndrome. Explain how this could happen citing
which parent(s) could be responsible and where NDJ could occur. You will need to show how this
would work for the NDJ in a diagram.
4. In Drosophila virilis, somatic cell nuclei contain 12 chromosomes while sperm nuclei contain only
6 chromosomes. How many total chromatids present at metaphase II?
5. Hemophilia is caused by an X-linked recessive mutation in humans. If a woman whose paternal
uncle (father’s brother) was a hemophiliac marries a man whose brother is also a hemophiliac,
what is the probability that their first child will have hemophilia? (Assume that no other cases of
hemophilia and no hidden carriers exist in the family.) Draw the pedigree of the known people in
the families along with the genotypes to show how you are able to calculate the probability.
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