What is the likelihood that the couple from Figure 2 will have a baby with green eyes? * 1/4 or 25% O 2/4 or 50% 3/4 or 75% O 4/4 or 100% 0/4 of 0% Sign out US 2 22
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- Redgreen color blindness is an X-linked recessive disorder in humans. Your friend is the daughter of a color-blind father. Her mother had normal color vision, but her maternal grandfather was color-blind. What is the probability that your friend is color-blind? (a) 1 (b) (c) (d) (e) 0Figure 2: This Punnett Square shows inheritance of eye color. Brown eyes (B) is dominant. Green eyes (b) is recessive. Father's Genes b BB Bb b Bb bb %24 %23 3. 7 8. 4. BIn humans, the ability to roll your tongue is an autosomal dominant trait (T); the inability to rol your tongue is recessive (tt), having a cleft chin ai an autosomal dominant (N) and the lack of the cleft chinn is recessive (nn). A man can roll his tongue and has a clift chin; his father can not roll his tongue and didn't have a cleft chin. The man is married to a woman who can roll her tongue and who has a cleft chin; her mother coud not roll her tongue and didn't have a cleft chin. What are the possible genotuypes and phenotypes of the children? Woman's genotypes? Man's genotypes? Woman's gamete alleles? Man's gamete alleles?
- Part B 1. For the remaining characteristics, you will be looking at homozygous and heterozygous traits. Each trait will be determined to be homozygous recessive, homozygous dominant, or hetero- zygous. Letters representing the alleles will be given to you; the uppercase letter is always dominant and the lowercase letter is always recessive. If both dice rolled are even numbers, it indicates homozygous dominant alleles; if both are odd, it indicates homozygous recessive alleles; if one is odd and the other even, it indicates heterozygous alleles. 2. Eyebrows: Use the alleles "A" and "a" for this trait. Two separate brows are the dominant trait, whereas the unibrow (or one continuous brow) is recessive. 3. Eye shape: Use the alleles "R" and "r" for this trait. Round eyes are the dominant trait; almond shaped eyes are recessive. 4. Hitchhiker's thumb: Use the alleles "H" and "h" for this trait. Straight thumbs are dominant; Hitchhiker's thumbs (the curving upward of the thumb) are…Pretending that Park shin-hye is heterozygous for A blood type marries Choi Tae-joon whose blood type is O. Show the possible blood types of their future children. 1. P1: 2. Punnett Square: 3. Genotype symbols: 4. Genotype in words: 5. Genotypic ratio: 6. Genotypic %: 7. Phenotype symbols: 8. Phenotype in words: 9. Phenotypic ratio: 10. Phenotypic %:Use the following figure to answer the question. Shaded crossed symbols indicate affected individuals who have passed away. ||| 000 0 OTP 2 1 2 1 3 ? 4 2 O-9 3 4 5 6 Tay Sach's is and aggressive recessive disease, with high mortality during infancy. A husband and wife (unrelated) each had an uncle that died from Tay Sach's disease. They go see a genetic counselor to find out if they are at risk for having a child with Tay Sachs. What is the probability for the Husband (blue arrow) being a carrier? 1/4 1/2 1/3 2/3
- Match the word or phrase to a correct statement about it. recessive allele [Choose ] [Choose a cross between 4 parents an individual with 1 dominant allele and 1 recessive allele an individual with 2 recessive alleles a phenotype made of 2 dominant alleles only expressed in the phenotype if it's the only kind of allele present a letter written in uppercase dominant allele homozygous dominant a genotype made of 2 dominant alleles a cross looking at 2 separate genes dihybrid Choose | carrier an individual with 2 recessive 99+Cystic fibrosis (CF) is an autosomal recessive trait. A three-generation pedigree is shown below for a family that carries the mutant allele for cystic fibrosis. Note that carriers are not colored in to allow you to figure out their genotypes. Normal allele = F CF mutant allele = f What is the genotype of individual #8?D Page view A Read aloud Draw Highlight PRA Can you curl your tongue up on the sides? Tongue-curling in humans is a dominant genetic trait. Suppose a man who is Tt for tongue-curling marries a woman who is also Tt for this trait. What are the possible genotypes and phenotypes of their children and the percent chance for each? 4. 1 Fill in the table: Genotype Phenotype Chance
- marries a woman with non webbed fingers. They hope to have four children. What is the with webbed fingers whose father displayed webbed fingers but whose mother did not amans, webbed fingers is dominant (W-): non webbed fingers is recessive, ww. Aman with webbed fingers whose father displaved webbed fingers but whose mother did hot marries a woman with non webbed fingers. They hope to have four children. What is the probability of three having non webbed fingers and one having webbed fingers? а. 1/2 b. 2/3 С. 3/4 d. 1/8 e. 4Figure 16.4 Two common patterns of autosomal inheritance in humans. & Both parents are heterozygous. b. One parent is heterozygous, and the other is homozygous recessive. The alleles stands for any trait that is dominant, and the letter a stands for any trait that is recessive Substitute the correct alleles for the problems you are working on. For example, C normal, c- cystic fibrosis Parents d 9 A A An X eggs Offspring m Key Dominant allele Recessive allele Dominant phenotype Recessive phenotype Phenotypic Ratio words A a Parents AT X Ag 40 eggs Offspring an A An an Key A Dominant allele Recessive allele Dominant phenotype Recessive phenotype Phenotypic Ratio Autosomal Disorders 1. Neurofibromatosis (NF), sometimes called von Recklinghausen disease, is one of the most common genetic disorders. It affects roughly 1 in 3,000 people. At birth or later, the affected individual may have six or more large, tan spots on the skin. Such spots may increase in size and number and become darker.…For numbers 34-50. Given the following pedigree, answer the following questions. 1st generation would be the grandparents, 2" generation would be the children of the grandparents and the 3" generation would be the children of the 2" generation. Trait that would be track is autosomal dominant and recessive. Cleft chin (CC or Ce) = Dominant No cleft chin (cc) = Recessive II II 10 42-45. Who are the persons failed to inherit cleft chin from the grand mother? A. Number 5, 1, 8,9 and 7 B. Number 2, 9, 7, 10 and 3 C. Number 2, 5, 7, and 9 D. Number 1, 3 and 10 E. Number 2 and 5
