Solution-Determine the genotypic and phenotypic ratios

Tay-Sachs is an autosomal recessive disorder that affects the nervous system.

Zelda and Elvis are both heterozygous for Tay-Sachs. Determine the genotypic and phenotypic ratios for a cross between Zelda and Elvis – which means set up a Punnett square and interpret the results.

USE T or t for your alleles please.

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