Question

In: Biology

Which of the following statements is true?

 Question 8 

Which of the following statements is true?

 SNPs do not account for any of the genetic variation in the human genome

 SNPs are nucleotide polymorphisms that differ in a population

 CNVs are not an important source in the variation of the human genome

 All of the above statements are true


 Question 9

 Why are genetic changes that lead to a selective disadvantage usually lost?

 Changes detrimental to survival can lead to fewer offspring and will not be passed on

 Genetic repair mechanisms will erase the mistake

 Organisms can control expression of deleterious genes to minimize impact

 Sexual reproduction always purifies dangerous mutations

 None of these are correct



Solutions

Expert Solution

Q)8)SNPs are nucleotide polymorphism that differ in population.

A single nucleotide polymorphism is a substitution of a single nucleotide that occurs at a specific position in the genome,where each variation is present at a level of 0.5℅ from person to person in the population.

Q)9)Genetic repair mechanism will erase the mistake.

during replication or after replicating several changes are occured in DNA,as the genetic changes occur that lead to several changes in the expression product from that gene.Changes in the expression product leads to disadvantage.By repair mechanism such changes are repaired.

gladiator answered 2 years ago
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