Hello Heliodors! (cont.) Trait A For Heliodors, having four arm-like extensions is dominant over having two. In a family of Heliodors, Hayden has four arm-like extensions like his mother Helen. His father, Harry, and sister, Holly both have two. What are the genotypes of everyone in this family of Heliodors? What is Harry's genotype? Not enough information to determine AA (homozygous dominant) aa (homozygous recessive)
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- Hello Heliodors! (cont.) Trait B Heliodors are either red (R), yellow (Y) or an intermediate phenotype, orange. What is the genotype of the orange heliodor? СС Сс cc C'CY CRCY CRCRHello Heliodors! (cont.) Trait B Heliodors are either red (R), yellow (Y) or an intermediate phenotype, orange. What is the genotype of the red heliodor? СС Сс СС C'CY CRCY CRCRTopic: Gene Locus Height in gryphons is determined by a single locus. You cross a two 9' tall gryphons and get 1/4 10'; 1/2 9' and 1/4 8' tall gryphons. If you across two 7' tall gryphons you get 1/4 8', 1/2 7'; 1/4 6' tall gryphons. pls kindly help to explanation: why In gryphons, alleles of the height lous are semidominant and form an allelic series. A.
- A couple consulted a genetic counselor and they found out the following: Basha: A blood type, blue eye color, normal skin condition, carrier of cystic fibrosis gene, and carrier of hemophilia gene Popoy: B blood type, has brown eye color, normal skin condition, carrier of cystic fibrosis gene and negative to hemophilia. Clues for the table: • Blood Type: The probability that they’ll have an offspring with blood type the same as Popoy is 25% only • Eye Color: The probability that they’ll have an offspring with brown eye color is 75%. • Skin condition: The probability that their offspring will be an albino is 25% What is the probability that the offspring will have/ be: A. a girl with all the same phenotype as her mother. B. 2 girls with neither the blood type of the parents. C. 2 boys with normal skin color and carrier of cystic fibrosis gene; 1 girl with normal skin color and negative to cystic fibrosis. D. 2 girls carrier of both cystic fibrosis gene and hemophilia, a boy † positive…Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?Using 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.
- Explain your answer. Below is a pedigree showing the inheritançe of colorblindness in Akoto family. Colorblindness is a recessive and X-linked trait (X'). The allele for normal vision is dominant and is represented by X°. 2 II 2 3 5 II 1 2 5 6 IV 1. What are the genotypes of the founding parents (I-1, I-2)? 2. What is the percentage of the affected offspring (II)? 3. What is the phenotype of III-2? 4. Is the inheritance autosomal or sex-linked?Explain your answer. Below is a pedigree showing the inheritance of colorblindness in Akoto family. Colorblindness is a recessive and X-linked trait (Xb). The allele for normal vision is dominant and is represented by XB. 1 2 II 2 3 4 5 6 II 1 2 5 6 IV 1 1. What are the genotypes of the founding parents (I-1, I-2)? 2. What is the percentage of the affected offspring (II)? 3. What is the phenotype of III-2? 2.SUBJECT: GENETICS Topic: Binomial Probability Consider albinism a trait to occur in a human family. If two parents are heterozygous for such trait, the probability of having a normally pigmented child is 3//4 and having an albino child is ¼. What is the probability that 2 will be normal and 1 will be albino?
- PEDIGREES: Problem (continued) This pedigree shows the inheritance of cystic fibrosis in this family. I • QUESTIONS ••. 5. What is the genotype of individual II-3? Use the letter "f" to 1 2 represent the disease allele. II 1 2 3 6. Individuals II-I and II-2 are sisters. Explain how it is possible for one sister to have cystic fibrosis but NOT the other. III 1 2 3Aav AaBbCc Normal No Spacing Heading 1 Paragraph Styles In man, two abnormal conditions, cataracts (C) in the eyes and excessive fragility (F) in the bones, seem to depend on separate dominant genes located on different chromosomes. Normal vision and normal bones are recessive traits. A man with cataracts and nomal bones, whose father had normal eyes, married a woman free from cataracts but with fragile bones. Her father had normal bones. 11. What is the genotype of the man with cataracts and nomal bones? What is the genotype of the woman with normal vision and fragile bones? What type of offspring might this couple expect? Genotypes Phenotypes What is the probability that their first child will, (a) be free from both abnormalities (b) have cataracts but not fragile bones (c) have fragile bones but not cataracts (d) have both cataracts and fragile bones? liliIn humans, tongue rolling (R) is completely dominant to the inability to roll the tongue (r), unattached earlobes (E) are completely dominant to attached earlobes (e), • presence of dimples (D) is completely dominant to the absence of dimples (d), • and a peaked hairline (H) is completely dominant to a straight hairline (h). A woman of genotype rr Ee DD Hh and a man of genotype Rr Ee Dd hh are planning to have a child. What is the probability that: i. The child will show the recessive trait for all four characteristics? 11. The child will look like its mother for all four characteristics? The the child will not look like its father for all four characteristics? 111.