A cross was performed between a female curly winged fly and a normal (straight) winged male fly. Curly wing is known to be recessive. The results were 42 straight winged and 39 curly winged flies. From his date determine the genotypes of the P1generation using the letter A.
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A cross was performed between a female curly winged fly and a normal (straight) winged male fly. Curly wing is known to be recessive. The results were 42 straight winged and 39 curly winged flies. From his date determine the genotypes of the P1generation using the letter A.
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- The pedigree below represents the inheritance of a rare genetic disorder (members joining the pedigree are not carriers). Consider the following pedigree and answer questions (i) to (vii) below. The allele descriptors are B/b. What is the mode of inheritance in this pedigree ? Y-linked inheritance X-linked recessive inheritance X-linked dominant inheritance Autosomal recessive inheritance Autosomal dominant inheritance What is the genotype of individual III-2 ? a) XbXb b) XBXB c) XBXb d) Bb e) bb What is the genotype of individual IV-3 ? a) XbXb b) XBXB c) XBXb d) Bb e) bb Individual IV-4 and an unaffected woman is planning a family. What is the probability that their first child will be phenotypically normal ? a) chance that the first child will be phenotypically normal. b) chance that the first child will be phenotypically normal. c) chance that the first female child will be phenotypically normal; all male children will be phenotypically normal. d) chance that the…Assume no Bombay allele for this entire question.) Consider a cross between someone with blood type B+ with someone with blood type A+ (and you don’t know their genotype). a. Can they have a child with blood type O-? If not, why not? If so, give the genotypes of the parents that would allow this. (Remember to include the genotypes for the A/B/O gene as well as the Rh gene. ) Give two different sets of genotypes for these parents (B+ and A+) that would NOT allow them to have an O- child. Let’s say these two parents have a child with blood type B-. Give the genotypes of the parents and the child.The pedigree shows inheritance of an autosomal recessive disease in an extended family. Assume unrelated individuals marrying into the family do not carry the disease, unless there is reason to believe otherwise. What is the chance that IV-3 and IV-4 will have a child with the disease? Individuals I-1, Il-5, III-5 and III-16 have the disease. 2 1 7. III-18 2 3 5 6 17 8. 9 10 11 12 13 14 15 16 17 III-19 IV IV-3 IV-4 IV-5 IV-6 IV-1 IV-2 O a. 1/8 b. 1/12 C. 1/16 d. 3/16 e. 1/24 f. 1/32 g. 3/32 h. 1/64 FEB 17 MacBook Air 6, ... 5. %D
- Fruit fly body color is wild type (meaning normal) Gray = B+ and black = b Fruit fly wing type is wild type normal wings = vg+ and vg = vestigial A fly which was heterozygous for both traits was crossed with a fly that was recessive for both traits. Write the genotype and phenotype that would be expected from this cross. Write the genotype and phenotype percentages that would be expected from this cross.The mother of a family with 10 children has blood typeRh+. She also has a very rare condition (elliptocytosis,phenotype E) that causes red blood cells to be oval rather than round in shape but that produces no adverseclinical effects. The father is Rh− (lacks the Rh+ antigen)and has normal red blood cells (phenotype e). The children are 1 Rh+ e, 4 Rh+ E, and 5 Rh− e. Information isavailable on the mother’s parents, who are Rh+ E andRh− e. One of the 10 children (who is Rh+ E) marriessomeone who is Rh+ e, and they have an Rh+ E child.a. Draw the pedigree of this whole family.b. Is the pedigree in agreement with the hypothesisthat the Rh+ allele is dominant and Rh− is recessive?c. What is the mechanism of transmission ofelliptocytosis?d. Could the genes governing the E and Rh phenotypesbe on the same chromosome? If so, estimate the mapdistance between them, and comment on your resultCardi B claims to have another baby. She’s telling gossip magazines that it’s Offset’s baby. Offset wants proof that it’s his. Cardi B is homozygous recessive for square face shape. Offset is homozygous dominant for round face shape. The baby was born with a round face shape. Is it possible the baby could be his? Use your own letters for this Punnett square.