On the planet Yado, there is a population of Lingkons. In this population, there

Question

On the planet Yado, there is a population of Lingkons. In this population, there is a phenotype known as Eganro. Lingkons with this phenotype prefer fruit to vegetables. Wild-type individuals like all forms of food. Eganro is determined by a gene with two alleles E dor nant trat alle recessive (wild-type) allele) e It is know that the gene for Eganro follows a homozygous-lethal dominant mode of inheritance with reduced penetrance (although the penetrance is not known with certainty). It is conjectured that the An affected Lingkon and a true-breeding unaffected Lingkon mate and produce 100 offspring The numbers of affected and unaffected offspring are: 1. 27 Eganro offspring: 2. 73 Wild-type offspring Which of the following values is the most like value for the penetrance of the Ee genotype? O A. 0.44 B. 0.75. C. 0.20 D. 0.10 0 E. 0.99. Reset Selection

Explanation / Answer

The gene for eganro follows a homozygous lethal dominant mode of inheritance with decreased penetrance. Penetrance is defined as the probability of developing a disease when given a particular genotype. Therefore, the penetrance of Ee genotype is 0.99.

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