CASE STUDY GIVEN THIS SCENARIO: Mr. and Mrs. Reyes died in a tragic accident when they went to a private island for a vacation. Authorities found that they have a lot of money in the bank and bought treasury bills in the stock market. The couple is known to have a son, from whom they are estranged. This man is the sole heir to the Reyes’ fortune. Five men showed up, each claiming to be the couple’s long-lost son who ran away after a misunderstanding with his father. You are called in as a genetics expert to decide who the rightful heir is. You will need to develop a Punnett square based on the genotype of the deceased to eliminate the imposters. A successful result will identify the true heir. Mr. Reyes Heterozygous free earlobes and homozygous brown-eyed Mrs. Reyes Heterozygous free earlobes and heterozygous brown-eyed Manuel Homozygous brown-eyed and attached earlobes Rey Homozygous free earlobes and black-eyed Oscar Heterozygous free earlobes and homozygous brown-eyed Ramon Heterozygous free earlobes and heterozygous brown-eyed Alex Homozygous free earlobes and black-eyed Which men can be eliminated by these traits? Explain your reasoning for each man.
CASE STUDY
GIVEN THIS SCENARIO:
Mr. and Mrs. Reyes died in a tragic accident when they went to a private island for a vacation. Authorities found that they have a lot of money in the bank and bought treasury bills in the stock market. The couple is known to have a son, from whom they are estranged. This man is the sole heir to the Reyes’ fortune. Five men showed up, each claiming to be the couple’s long-lost son who ran away after a misunderstanding with his father. You are called in as a genetics expert to decide who the rightful heir is. You will need to develop a Punnett square based on the genotype of the deceased to eliminate the imposters. A successful result will identify the true heir.
Mr. Reyes | Heterozygous free earlobes and homozygous brown-eyed |
Mrs. Reyes | Heterozygous free earlobes and heterozygous brown-eyed |
Manuel | Homozygous brown-eyed and attached earlobes |
Rey | Homozygous free earlobes and black-eyed |
Oscar |
Heterozygous free earlobes and homozygous brown-eyed |
Ramon | Heterozygous free earlobes and heterozygous brown-eyed |
Alex | Homozygous free earlobes and black-eyed |
Which men can be eliminated by these traits? Explain your reasoning for each man.
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