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vovikov84 [41]
3 years ago
8

Which statement best illustrates the concept of heritability? a. Savannah inherited the mutated BRCA1 gene, increasing her risk

for certain cancers. b. Charlotte has a 50% chance of passing the gene for curly hair to her children. c. Augusta is outgoing, just like her father and older sisters. d. Jackson is the first person in his family in three generations to have blue eyes.
Biology
1 answer:
denpristay [2]3 years ago
4 0

Answer:

Option A

Explanation:

The concept of Hereditability is defined as the extent to which a certain genotype producing characteristics different to the mass genotype occur in a given population set.  

It general it refers to the inheritance of phenotype different than the general mass phenotype due to a varied or uncommon genotype.  

For instance, occurrence of diabetes is considered as a heritable disease because it can occur in upcoming generation if there exist a history of people suffering from diabetes

Hence, option A is correct

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A dog eats a pound of dog food. What happens to the energy and chemical nutrients in the food over the next several days?
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Answer:

The energy is mostly released as heat through the dog's activities; the nutrients either become part of the dog's body or are released to the ecosystem as wastes like urine, feces, and exhaled gases.

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3 years ago
"DNA denatures at a higher temperature than does protein, yet its structure depends on relatively weak hydrogen bonds. Why the d
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Proteins are denatured by breaking covalent bonds.

Linear molecules like DNA are inherently stable.  

Individual hydrogen bonds may be weak, but DNA structure is stabilized by many thousands or millions of these bonds - far more than found in proteins.

The statement is incorrect; it actually takes far more energy to denature proteins than it does to denature DNA.

Answer:

The correct answer is- Individual hydrogen bonds may be weak, but DNA structure is stabilized by many thousands or millions of these bonds - far more than found in proteins.

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