BICD 100.2

BICD 100.2 - Kashif Bari A08218440 Section B09 BICD 100...

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Kashif Bari A08218440 Section B09 BICD 100 (Genetics) Homework 1 1. Blue appears to be dominant over green, and turquoise appears to be on another gene that affects its color. Turquoise seems to act recessively, but when recessive is the dominant phenotype. B – Blue; b – Green; t – Turquoise; T –Not Turquoise a. The genetic basis for this wing cover color appears to be Epistasis, since a new phenotype appears in the progeny. b. Cross X Parent Genotype Progeny Genotype Cross 1 BBTT x bbTT BbTT Cross 2 BBTt x BBTt BBTT, BBTt, BBtt Cross 3 bbTt x bbTt bbTT, bbTt, bbtt Cross 4 BBTt x BBtt BBTt, BBtt Cross 5 BbTT x BbTT BBTT, BbTT, bbTT Cross 6 BbTT x bbTT BbTT, bbTT Cross 7 BbTt x bbTt BbTT, BbTt, Bbtt, bbTT, bbTt, bbtt Cross 8* __tt x __tt __tt *The genotype of the other gene does not matter. Turquoise phenotype always acts dominantly when the genotype acts homozygous recessive. 2. From looking at the ABO system, it is not possible to determine who the father is. Since the wife’s genotype could be AO, and the husband’s genotype is OO, so it is possible to produce all three children, given their phenotype. However, with the lover, Child 1 does not appear to be a valid possible offspring, but if one considers the Bombay gene at the
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This note was uploaded on 07/11/2009 for the course BICD 100 taught by Professor Nehring during the Spring '08 term at UCSD.

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BICD 100.2 - Kashif Bari A08218440 Section B09 BICD 100...

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