Based on your understanding of sex - linked recessive traits, would it be possible for the phenotype to skip one or more generations before reappearing? Explain your answer.
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- Suppose that two individuals who display toothed beaks mate and have three offspring who have toothed beaks and two who have normal beaks. Is it possible for the trait to be autosomal recessive? Why or why not? (Sketching out a quick pedigree may help you answer)Suppose that round ears in guinea pigs is a recessive phenotype. You have just adopted a guinea pig with pointy ears. Using crosses, how can you determine whether this guinea pig with pointy ears is homozygous or heterozygous for the dominant trait? Explain the cross you would make and what it would tell you.Suppose that for three generations, the clawed wing trait has only shown up in males. In the fourth generation, a mating between a clawed wing male and a normal wing female produces a clawed wing female. Does this necessarily mean that the trait is not sex-linked? Why or why not? (Sketching out a quick pedigree may help you answer)
- Why do human sex-linked recessive traits typically show up in sons more than daughters? Hint: consider the probabilities involved in the inheritance of such traits.The next pedigree shows how the ABO blood type is being passed on from parents to offspring. Use that pedigree to answer the questions below. How many generations are there? ____________ Can you tell if the trait is dominant or recessive? Why or why not? ________________________________________________________________ Determine the genotypes of all individuals in the pedigree below. Use the following format for the genotypes.How are sex-linked recessive phenotypes passed between generations? options: A) From father to son to son. B) From father to daughter to son. C) From father to son to daughter. D) From father to daughter to daughter.
- Which phenomenon explains differences in the inheritance patterns of the appearance of a chin beard between males and females of certain species of goats, even when their genotypes are the same? A) sex-limited trait B) sex-influenced trait C) incomplete penetrance D) variable expressivity E) lethal allelea. Why males and females do not show equal chances of inheriting a trait? b. Is it possible to determine the genotypes of the parents based on the phenotypes of the offspring?In a cross between a heterozygous tall pea plant and a dwarf plant,predict the ratios of the offspring’s genotypes and phenotypes.
- Based on the data, which trait do you think is dominant versus recessive? Explain the information you used to help you determine this. Based on your answer, how would you write the genotypes of the original parental generation for this cross?Which concept presented by Mendel accounts for the heredity variation in human height? Explain your answerUse the genotype of the two parents in the pedigree to decide if the white lock of hair is dominant or recessive . explain How many males shown in the chart have a white lock of hair ?