BIO 130 Cuyamaca Gollege Genetic Problems Questions
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1)In guinea pigs, ebon fur is dominant aggravate unblemished fur. How could an voluptuous breeder experiment whether a ebon guinea pig is homozygous or heterozygous?
2)A limited stock, yellow pod pea settle is waywarded after a while a gentleman decorum crave stock, uncooked pod pea settle. Assuming that crave stocks are dominant to limited stocks, and uncooked pods are dominant to yellow pods 1) what are the genotypes and phenotypes of the F1 progeny? and 2) the genotypes and phenotypes from a F1 x F1 wayward?
3)In rationals, hemophilia (bleeder’s assumption) is a recessive, X-linked feature. Use a Punnett balance to demonstration the practicable genotypes of posterity of a man who is a hemophiliac, and a typical, but heterozygous dowager, where XH contains the typical clotting gene and Xh contains the gene for hemophilia.
4)Lesch-Nyhan syndrome is a metabolic flaw caused by the delaydrawal of the enzyme hypoxanthine-guanine phosphoribosyl transferase (HGPRT). This assumption is the conclusion of an X-linked, recessive tail and conclusions in moral impediment, selfmutilation and future fall. A typical man marries a dowager who had a match who died of LNS. Your are the genetic counselor who obtain instruct them on the mien of their having a LNS baby.
a)What are the practicable genotypes for the dowager? What is the man’s genotype?
b)For each of the dowager’s practicable genotypes, what are the practicable genotypes of her posterity and the implications for operation for each of them?
5)In tomatoes, red produce complexion is dominant to yellow. Suppose a tomato settle homozygous for red is waywarded after a while one homozygous for yellow. Determine the phenomold and genomold of a) the F1 posterity
b)the posterity of a wayward of the F1 tail to the red producer
c)the posterity of the F1 tail to the yellow producer
6)In rationals, the allele for unoccupied earlobes is dominant to the allele for determined earlobes.
A dowager after a while determined earlobes has progeny after a while a man who has unoccupied earlobes. a) what is the genomold of the dowager?
b)What is the genomold of the man?
c)What rate of their posterity obtain bear determined earlobes?
7)Phenylketonuria (PKU) is a rational autosomal genetic assumption in which the artful particular cannot metabolize the amino harsh phenylalanine. The assumption is characterized by extreme moral impediment if left untreated. The assumption is caused by homozygosity for a recessive, mutant allele. If two producers are heterozygous for the allele, what is the verisimilitude that their slip obtain bear PKU?
8)A stranger after a while a newborn baby is miserable that the slip does not delineate either of them. Suspecting that a mix-up occurred at the hospital, they impede the lineage mold of the infant and perceive that it is mold O. As the senior is mold A and the dowager mold B, they determine that a mix-up must bear occurred. Are they set-right?
In the fly Drosophila, the allele for dumpy wings (d) is recessive to the typical cravewing allele, (D) and the allele for unblemished eye (w) is recessive to the typical red-eye allele (W). In a wayward of DDWW after a while Ddww, what rate of the posterity are expected to be “normal” (crave wings and red eyes)? What rate are expected to bear dumpy wings and unblemished eyes?
A inhabitant breeds a chicken after a while all unblemished plumage after a while a chicken after a while all ebon plumage. All of the F1 posterity bear bluish-gray plumage. When two of the bluishgray birds are waywarded, ebon, unblemished and bluish-gray posterity are produced. What is the agency of patrimony and the genotypes of the producers, F1’s and F2’s.