5a. Blood Type--Multiple Alleles Blood type in humans is a trait that is controlled by multiple alleles. The possible alleles that can be inherited are A, B, and 0, but each person only inherits two alleles. Alleles A and B both produce antigens, but O produces no antigens. This means that a person who has an A or B allele or both will express that blood type. O is recessive to A and B so I like to use the lower case letter i to remind me that it is recessive. For example, Ai and AA = blood type A Bi and BB = blood type B, and AB = blood type AB. Since O produces no antigens, it does not affect blood type when paired with A or B, but when a person inherits two O alleles (i), they have blood type 0. For a cross between an individual with the genotype (Ai) and an individual with the genotype (BB), please fillin the Punnett square and genotypic and phenotypic ratios below. (blank) 5b. Write the proportions, percents, and ratios for the genotypes and phenotypes of this cross Genotype: Proportions/Percents: Ai = 14 or Bi = /4 or AB= 14 or AA= 14 or BB = /4 or Ratio: Phenotype: Proportions/Percents: Blood type A 14 or Blood type B= 14 or Blood type AB = 14 or Ratio: | 建澳
5a. Blood Type--Multiple Alleles Blood type in humans is a trait that is controlled by multiple alleles. The possible alleles that can be inherited are A, B, and 0, but each person only inherits two alleles. Alleles A and B both produce antigens, but O produces no antigens. This means that a person who has an A or B allele or both will express that blood type. O is recessive to A and B so I like to use the lower case letter i to remind me that it is recessive. For example, Ai and AA = blood type A Bi and BB = blood type B, and AB = blood type AB. Since O produces no antigens, it does not affect blood type when paired with A or B, but when a person inherits two O alleles (i), they have blood type 0. For a cross between an individual with the genotype (Ai) and an individual with the genotype (BB), please fillin the Punnett square and genotypic and phenotypic ratios below. (blank) 5b. Write the proportions, percents, and ratios for the genotypes and phenotypes of this cross Genotype: Proportions/Percents: Ai = 14 or Bi = /4 or AB= 14 or AA= 14 or BB = /4 or Ratio: Phenotype: Proportions/Percents: Blood type A 14 or Blood type B= 14 or Blood type AB = 14 or Ratio: | 建澳
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter3: Transmission Of Genes From Generation To Generation
Section: Chapter Questions
Problem 36QP
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