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3 years ago

What is the answer with explaining

Biology

1 answer:

rewona [7]3 years ago

7 0

Answer:

Alleles for albinism:

C (dominant)

c (recessive)

Genotypes:

- A: Cc

- B: Cc

- C: Cc

- D: Cc

- E: cc

- F: CC (expected genotype)

- G: CC

Explanation:

In humans, albinism is controlled by a single recessive allele 'c', whereas normal pigmentation of the skin is controlled by the normal allele 'C'. Moreover, a pedigree is a diagram that shows the inheritance pattern of a particular disease/disease through several generations. In a pedigree, a shaded circle (female) or a shaded square (male) indicates that the person expresses the disease/trait. On the other hand, an unfilled circle/square indicates that the person does not have the genetic trait. A carrier (heterozygous) individual can be represented by a half-shaded circle/square. In this pedigree, the genotypes of carrier and non-carriers individuals are represented by unfilled circles or squares; however, these genotypes can be deduced by determining the genotypes of their parents. For example, both A and B don't express the trait but they have a daughter (E individual) with albinism (cc genotype), thereby both A and B individuals need to be carriers (Cc genotype) for the trait.

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