What will be the phenotype ratio of F1_(first generation offspring), if we cross an individual with AB blood group and an individual with heterozygous B blood group? Note that: A and B alleles are codominant and both A and B dominant over 0 allel.
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- ABO blood type is determined by three alleles: *, 18, and i. On a separate chromosome, anotherset of alleles determines the Rhesus factor: D and d.A woman with blood type A, who is heterozygous for both blood type and Rhesus factor, had achild with a man with blood type B, who is heterozygous for both blood type and Rhesus factor. What is the percentage chance that this child is blood type B and heterozygous for both traits? Record your answer as a percentage rounded to one decimal place.You have a purple-flowered pea plant, but you do not know if it is homozygous (PP) or heterozygous (Pp) for flower color because both genotypes result in the same purple phenotype. Purple color allel (P) is dominant over white flower allel (p). What would you do to determine the genotype of flower color of this plant? Lötfen birini seçin: O a. Crossing the plant with homozygous large flowered pea plant (LL) Ob. Crossing the plant with heterozygous purple flowered pea plant (Pp) Crossing the plant with homozygous dominant purple flowered pea plant (PP) d. Crossing the plant with a plant whose genotype is unknown e. Crossing the plant with homozygous recessive white flowered pea plant (pp)Rabbits may be classified as agouti, chinchilla, Himalayan, or albino according to coat color. A cross between CC h x C ch c produced 5 agouti, 3 chinchilla and 2 Himalayans. d. If the two F1 agouti genotypes will be crossed, what percentage of theiroffspring will have the same phenotype? e. What will be the genotypes of the rabbits in (d)?
- If these two individuals with the following characteristics are crossed Parent 1: blood type AB; heterozygous for H gene Parent 2: heterozygous B blood type; hh genotype What is the phenotypic ratio (blood type) of the F, generation? A. 4 AB: 1 A: 1 B: 2 0 B. 2 AB: 2 A: 4 B: no O C. 1 AB: 1 A: 2 B: 4 0 D. 1 AB: 1 A: 1 B: 10Seed color is controlled by 3 independently assorting bi-allelic genes (P, Q, R), such that homozygote pp exhibits recessive epistasis over the seed color pathway, converting a white pigment into yellow, which then becomes orange in the presence of a Q allele, or red in the presence of R. Individuals with both Q and R alleles show pink seeds. In a cross of PpQqRr individuals with ppqqrr individuals, what is the ratio of white-seeds to red seeds? а. 1:4 b. 2:3 с. 1:1 d. 4:1 e. 1:5Bronze coloured turkey is controlled by a dominant allele, B. Red coloured turkey is homozygous for a recessive allele bb. Dominant gene N produce normal feather and recessive genotype produce ‘hairy’ feather nn. In a cross between homozygous bronzed coloured turkey with ‘hairy’ feather and homozygous red coloured turkey with normal feather. What are the ratios of F2 progeny with Bbnn genotypes? (I want to check if what i'm doing is correct)
- Some mice are born with a yellow coat controlled by the gene Y. Examine the setup and outcome of the following crosses, which produce two generations: Po: yellow mouse X gray mouse F1 :5 yellow mice, 4 gray mice P: yellow mouse from F1 X yellow mouse from F1 F2 : 7 gray mice, 15 yellow mice with 9 dead Analyze the information provided to answer these questions: • What type of cross is the first cross? • Which trait is dominant? • What is the genotype of the yellow mouse in the first cross? • What is the genotype of the gray mouse in the second cross? Why are 9 mice dead in F2?A is dominant over a and B is dominant over b. Genes A/a and B/b assort independently. The parental cross (P) is between true- breeding (homozygous) strains (AA bb x aa BB). The resulting F1 offspring would be [Select ] A F1 x F1 cross gives the F2 generation. The ratio of phenotypes in the F2 generation can be described as [ Select ] In the phenotypic ratio, what number refers to individuals that are: dominant for both traits? [ Select ] recessive for both traits? [Select ] To what phenotypes do the "3"s in the ratio refer? [ Select ] > >In rabbits, an allelic series helps determine coat color. The alleles, in order of dominance, are listed below. C=full coat color Cch-chinchilla Ch-himalayan c=white What is the predicted outcome for a CCh rabbit crossed with a Cchc rabbit? Draw out the cross and show the predicted genotypes and phenotypes for the offspring.
- In the edible pea, tall (T) is dominant to short (t), and greenpods (G) are dominant to yellow pods (g). List the typesof gametes and offspring that would be produced in thefollowing crosses:a. TtGg * TtGgb. TtGg * TTGGc. TtGg * TtggThe A & B antigens in humans may be found in water-soluble forms in secretions, including saliva of individuals with the genotypes E/E& E/e, but not individuals with the genotype e/e. Thus, the population contains ‘secretors’ & ‘nonsecretors’. A cross was performed between 2 heterozygous secretors, one with type O blood and the second with type AB blood. What phenotypic ratios are expected in their offspring? A) 1/4 type A : 1/4 type B : 1/2 non-secretor B) 3/8 type A : 3/8 type B : 2/8 non-secretor C) 1/2 type A : 1/2 type B D) 3/4 type AB : 1/4 non-secretorABO blood group is co-dominant for AB and O is recessive. Rh (+/-) factor is completely dominant. A man with O/positive blood and a woman with A/negative blood have six children. All of their children have A + blood type. What can you conclude about the parents’ genotypes? Group of answer choices Both mother and father are likely homozygous at both loci Mother was homozygous at the ABO locus but heterozygous at the Rh factor locus Father was homozygous at the ABO locus but heterozygous at the Rh factor locus Mother was heterozygous at both loci
