Chapter 17 Terms

Question 1

a cell with a mixture of different mtDNAs generates a daughter cell with only one kind

Answer 1

cytoplasmic segregation

Question 2

cells with mtDNAs or cpDNAs with different genotypes

Answer 2

heteroplasmic

Question 3

cells with mtDNAs or cpDNAs all of one genotype

Answer 3

homoplasmic

Question 4

transmission of genes through the maternal gamete only

Answer 4

maternal inheritance

Question 5

transmission of genes through either a maternal or paternal gamete but not both

Answer 5

uniparental inheritance

Question 6

having gametes of similar size

Answer 6

isogamous

Question 7

a specific fraction of wild-type organellar DNA is required for a wild type phenotype

Answer 7

threshold effect