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Joshaline Douglas October 25, 2012 BIO 110 Punnet jog Journal 1. For one of the monohybrid crosses you performed in this Investigation, describe how to use the phe nonype ratios to lay out the percentage of offspring displaying each feature. Using a Punnett substantive you have (2X2 box) thus an Ll crosswise the top and ll down the side. You break up stakes therefore have Ll, Ll, ll, and ll. The lowercase garner represent recessionary traits and the working capital represent preponderating. The ratios are rupture into Phenotypes and Genotypes. If you have at least(prenominal) one dominant trait then it is considered a genotype. For this chore Ll LL. Double recessive is a phenotype (ll.) your ratio for the supra Ll, Ll, ll, ll is 2:4 (1:2) for both Phenotype and Genotype. 2. send packing the genotype for a gray- collective drib be set(p)? why or why not? Describe all of the realizable genotypes for a locomote with that phenotype. aged body flies would be dominant and raw bodied flies would be recessive. So, the results potful only be a homozygous dominant take flight ball (GG) or heterozygous aviate (Gg). If I cross that fly with a dimmed bodied fly (gg) and there is a result of near discolor bodied flies, then you accredit the original fly was heterozygous.

If it results in all gray flies, then it was dominant. 3. Explain why an being with a homozygous dominant genotype has the uniform phenotype as an organism with a heterozygous genotype. Because the heterozygous has the aforementioned(prenominal) dominant that the homozygous does. Its just hybrid for other trait, still its dominance shows. 4. What contagious information can be obtained from a Punnett square? What genetic information cannot be determined from a Punnett square? Punnett squares are very useful when transaction with rigorously dominant or purely recessive genes. The answer phenotype is understandably predictable.If you want to fail a full essay, stage it on our website: Ordercustompaper.com

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