48. How did Mendel test his hypotheses? a. he used Rosalind Franklin\'s results.

Question

48. How did Mendel test his hypotheses? a. he used Rosalind Franklin's results. His own work was never tested. b. scientific method c. presented his theories in public lectures and then determined the factors involved. d. an undergraduate did this work for him. e. chemiosmotic theory. 49. Ifall a mino acids are changed beyond the point of insertion, this point mutation must be a: a. nonsense mutation b. missense mutation c. silent mutation d. frame-shift mutation e. none of the above 50. Klinefelter syndrome (XXY) and Turner's syndrome (XO) are possible outcomes if there is_ti a. Recombination of somatic cells b. Asexual reproduction c. Initiation d. Termination e. Nondisjunction of sex chromosomes? Bonus: If a cancer cell does not die from apoptosis. What is likely to happen to this cell? Please provide a rationale (2pts)

Explanation / Answer

48. Mendel was a scientist and a physicist.He was a teacher. He studied pea plants for several different phenotypes generation after generations.He tested his hypothesis by scientific method, observing one trait at a time.

49. The point mutation which changes the amino acid are nonsynonymous substitutions which affect the translation product of mRNA due to change in nucleotides.This nonsynonymous substitution can be missense mutation which results in substitution of different amino acids.

50.These two mentioned syndrome is caused by nondisjunction of sex chromosome.The egg has XX chromosomes which disjoints to X chromosome (1 copy) and male sex chromosome dIsjoints into X and Y, either of which fertilise the egg forming XX or XY.But lack of this disjunction can cause the above mentioned syndrome.

Bonus.

If a cancer cell does not die of apoptosis then this cell mulitply vigorously and spreads into the tissue and then organ.Because cancer cell has ability to proliferate faster than normal cells they form thick mass which is nonfuctional and can kill functional cells causing cell death thereby increasing the fatality of person.

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