1.) A student recently told me that both she and her brother have blue eyes (bb), and that both of her parents are brown-eyed. Using a Punnett square, list the genotypes and phenotypes showing how it's possible for this to happen.
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- Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?6) For the pedigree shown below, answer the following questions. I II III a) What type of inheritance is shown? Explain how you know. b) The genotype of individual I -2 is The genotype of individual II -1 isUsing the pedigree chart, explain: a) The number of generations seen. b) If all blue-coloured shapes are affected with disease X- how many males are affected? how many females are affected? c) Does this disease have a dominant or recessive inheritance pattern? Justify your answer.
- Blank 1) s the trait in this pedigree dominant or recessive? Blank 2) What is the genotype of the individual indicated by the red arrow? (Use the letter A Blank1 recessive Blank2 ADetermining a karyotype is an important clinical method for diagnosing genetic disorders. Explain why it is useful for diagnosing monosomies and trisomies.1. The figure below shows a pedigree examining the presence of a genetic disorder across multiple generations of a family. Based off this figure, answer the following questions prompted: || IV 3 9 10 5 2 C 6 11 T 7 12 8 15 13 16 14 17 d) What is the genotype for individual #4 in this family pedigree? ||| c) Why are no family members identified as a carrier of this genetic disorder? Figure Key a) Using the figure key provided, identify which members of this family are affected by this genetic disorder in each generation. (Be sure to include sex and generation number for each individual identified). b) Is this an autosomal recessive, autosomal dominant, or sex-linked genetic disorder? Explain. Unaffected Female Unaffected Male Affected Female ||| Affected Male Female Carrier Male Carrier
- 1) Haemophilia is a serious medical condition where blot clots extremely slowly. A sex linked recessive allele is responsible. Female haemophiliacs are extremely rare. What would be the most likely genotypes of the parents. Explain your reasoning and show the cross.Which of the karyotypes shown is from a normal female?1) What is the pure-breeding (or true-breeding) strain or organism?
- 1. Given the following pedigree below, use Punnett squares for each of the following possibilities: a) X- linked recessive and b) X-linked dominant in order to determine what is the mode of transmission of this trait. Disease allele = XA or Xa, depending on mode of transmission of the disease respectively. *Unaffected/No carrier-Normal Unaffected X chromosome = X I 11 * 1 2 1 2 3 a) X-linked recessive 11x12 III 2 genotype (circle one): XY 4 XAXA 2 3 5 Xaya *4 6 7 8 b) X-linked dominant 11x12 XAY Xaya. b. 1 2 3 Note: Cystic fibrosis in this family is caused by a recessive allele that is found on chromosome 7. A genetic counsellor collected pedigree information regarding the incidence of cyctic fibrosis within this family. The row that indicates the genotypes of individuals 1-1, 1-2, and II-2 is Select one: C. Pedigree of a Family with Cystic Fibrosis PTO 1 2 d. I II I-1 XAY I-1 AA I-1 XAY I-1 Aa 1-2 хаха 1-2 aa 1-2 ΧΑΧΑ 1-2 Aa II-2 XAY 11-2 Aa II-2 хау II-2 aa OBelow is a pedigree of a family with a rare genetic disorder. I. IV. a. What is the mode of inheritance for this rare disorder and what is the genotype of I.1 and 1.2? b. Write the genotypes for the following individuals (if the genotype is unknown write all possible genotypes): i.) III.2 - ii) III.3 -