test 3 matching

Question 1

an organisms genetic makeup is its __________

Answer 1

genotype

Question 2

an organisms appearance is its __________

Answer 2

phenotype

Question 3

in _________ a gene at on locus alters the expression of a gene at another locus

Answer 3

epstasis

Question 4

_________ is an enzyme that synthesizes new DNA strands

Answer 4

DNA polymerase 3

Question 5

________ DNA is inherited from the mother

Answer 5

mitochondrial

Question 6

__________ occurs when one gene has multiple phenotypic effects

Answer 6

pleiotropy

Question 7

in _________ one of the X chromosomes becomes inactivated

Answer 7

X inactivation

Question 8

in __________ a gene on one chromosome is silenced

Answer 8

genomic imprinting

Question 9

a ___________ is a protein responsible for the first level of DNA packing in chromatin

Answer 9

histone

Question 10

a __________ is a family tree that shows the history of a particular trait

Answer 10

pedigree

Question 11

a genes location on a chromosome is called its ______________

Answer 11

locus

Question 12

in eukaryotic cells transcription occurs in the ___________

Answer 12

nucleus

Question 13

a __________ mutation results in an amino acid change

Answer 13

missense

Question 14

a __________ mutation results in a premature stop codon

Answer 14

nonsense

Question 15

translation occurs on the __________

Answer 15

ribosome

Question 16

tRNA contains a ________ the recognizes the codon in the A-site

Answer 16

anticodon

Question 17

in ____________ homologous chromosomes or sister chromatids fail to separate resulting in gametes with an abnormal number of chromosomes

Answer 17

non-disjunction

Question 18

proteins that are going to secrete out of the cell are translated on ribosomes that bind to the ___________

Answer 18

endoplasmic reticulum

Question 19

heterozygotes for an allele showing complete dominance are also called ____________

Answer 19

carriers

Question 20

_______ is the phenotype most commonly seen in a population

Answer 20

wild type

Question 21

the genetic code is ________, but not ambiguous

Answer 21

redundant

Question 22

________ unwinds parental double helix at replication forks

Answer 22

helicase

Question 23

_________ is an abnormal number of chromosomes

Answer 23

aneploidy

Question 24

________ characters vary along a continuum

Answer 24

quantitative

Question 25

________ synthesizes RNA primers for the leading and lagging strands

Answer 25

primase