Podcast
Questions and Answers
What is responsible for the genetically determined variability among humans?
What is responsible for the genetically determined variability among humans?
Which type of DNA sequence differences have little or no effect on phenotype?
Which type of DNA sequence differences have little or no effect on phenotype?
What is responsible for causing disease in humans?
What is responsible for causing disease in humans?
What do gene mutations alter?
What do gene mutations alter?
Signup and view all the answers
What is nearly 99.9% identical between any two humans?
What is nearly 99.9% identical between any two humans?
Signup and view all the answers
Which type of mutation may lead to the formation of a variant protein with altered properties?
Which type of mutation may lead to the formation of a variant protein with altered properties?
Signup and view all the answers
What is the term for mutations occurring in cancer and cannot be transmitted?
What is the term for mutations occurring in cancer and cannot be transmitted?
Signup and view all the answers
What mechanism introduces errors during the normal process of DNA replication?
What mechanism introduces errors during the normal process of DNA replication?
Signup and view all the answers
Which type of DNA changes are usually corrected through proofreading mechanisms?
Which type of DNA changes are usually corrected through proofreading mechanisms?
Signup and view all the answers
What percentage of replication errors are corrected by a series of DNA repair enzymes?
What percentage of replication errors are corrected by a series of DNA repair enzymes?
Signup and view all the answers
What is responsible for the genetically determined variability among humans?
What is responsible for the genetically determined variability among humans?
Signup and view all the answers
Which type of DNA changes may have little or no effect on phenotype?
Which type of DNA changes may have little or no effect on phenotype?
Signup and view all the answers
What process alters chromosome number, structure, or individual genes?
What process alters chromosome number, structure, or individual genes?
Signup and view all the answers
Which type of DNA sequence differences are directly responsible for causing disease?
Which type of DNA sequence differences are directly responsible for causing disease?
Signup and view all the answers
Which type of mutation may lead to complete loss of expression of a gene or the formation of a variant protein with altered properties?
Which type of mutation may lead to complete loss of expression of a gene or the formation of a variant protein with altered properties?
Signup and view all the answers
What is the term for mutations that occur in cells that will populate the germline and are usually inherited?
What is the term for mutations that occur in cells that will populate the germline and are usually inherited?
Signup and view all the answers
What mechanism is responsible for correcting more than 99.9% of errors of DNA replication?
What mechanism is responsible for correcting more than 99.9% of errors of DNA replication?
Signup and view all the answers
What are the two basic mechanisms of gene mutations?
What are the two basic mechanisms of gene mutations?
Signup and view all the answers
Which type of DNA changes is usually corrected through proofreading mechanisms?
Which type of DNA changes is usually corrected through proofreading mechanisms?
Signup and view all the answers