please explain how the answers were obtained as simply as possible. 1. What spec

Question

please explain how the answers were obtained as simply as possible.

1. What specific topic of introductory genetics fascinated you and motivated you to seek additional information? a. Give the topic that interested you. b. Provide a bricf (three to four well constructed and cogent sentences) 2. .Examine the pedigrees below that represent sex-linked traits and respond to the following a. Give the most likely mode of inheritance for each of the pedigrees. b. Trom pedigree A, give the probability that III -1 is heterozygous. 2- Pedigrees: A. B. C. 3. In the following test cross, gencs a and b are 15 cM apart: at b /ab x a b /a b. Among 1000 progeny observed and counted: How many progeny are expected to be the result of a crossover. a. b. How many homozygous recessive individuals were expected? ak e atb SU e ab 4. One chromosome in a plant has the genes A B C DE F, and another has the genes M N O PQR. Areciprocal translocation between these chromosomes produced the following arrangement: A BCPQ Ron one chromosome and M N O DE F on the other e de a. Draw the pairing arrangement of the translocated chromosomes in prophase I of meiosis. Be sure to label the chromosomes appropriately and clearly ODEF ve the genotype of the euploid gamere that is a translocation heterozy gote

Explanation / Answer

1). a). The topic of interest from the introductory genetics is, "mitochondrial inheritance."

b). The mitochondrial genome is inherited by maternal inheritance and it does not undergo recombination. However, it undergoes frequent mutation, so the mitochondrial genome is highly variable between individuals. However, there may be some relevance in health associated conditions. As the mtDNA is relatively stable, all the cells of a person contain the same mitochondrial DNA, all he siblings share the same mitochondrial DNA, so it is used for DNA profiling.

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