Question

You discover a new population of starfish that are sexually reproducing and diploid. You survey this population and find the following distribution of genotypes and phenotypes: AA: 400, red dermis Aa: 400, red dermis aa: 400, blue dermis. If all genotypes are equally fit and this species has complete assortative mating based on the color of the dermis, what is the most likely distribution of phenotypes in the next generation? 400 MA, 400 Aa, 400 aa 200 AA, 800 Aa, 200 aa C450 AA, 300 Aa, 450 aa 350 AA. 500 Aa, 350 aa soo

Answer 1

Answer :- 1 ) As all the the genotypes are in the same proportion . By finding the probability of all the possible cross determine the ratio of the the genotype .

2) Moving from periphery to centre by analysing the codon , we can easily determine the coded amino acids .

CAC TTC GCG is the codon sequence synonyms with the CAC TTT GCG as the amino acids coded by both the sequences are same .

Hence , option 2 is the correct answer.

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