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kogti [31]
2 years ago
11

Albinism results in the body being unable to make a protein needed for production of melanin, which gives up our skin, hair, and

eye pigment. According to this pedigree, what kind of trait is albinism?
a. operon

b. recessive

c. dominant

d. sex-linked
Biology
1 answer:
postnew [5]2 years ago
7 0

Answer:

B. Recessive

Explanation:

Albinism is developed in an autosomal recessive pattern

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Recessive Traits are less likely to show up. Their Genotype use lower case such as rr. Now genotypes of Rr have one dominant trait and one recessive trait. If the dominant trait was black fur and the recessive white fur, the offspring will be black fur because dominant traits overpower the other.

To understand how to know if an organism will have Dominant or Recessive Genes, you have to use something called a Punnet Square. Lets imagine 2 parents both have the genotype Rr. R is Black fur and r is white fur. As you can see from the chart, 3 of 4 boxes have Rr and 1 rr. Since there is a Dominant Trait with a Recessive, they will show a Dominant Phenotype, or Black fur. This has 3/4 chance and a 1/4 chance for white fur in the offspring.

| R. r

-----------------------------------

R | Rr. Rr

-----------------------------------

r | Rr. rr

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