NUR 239 Exam 1 Questions with Verified
Answers |2026/2027 Update | A+ Graded
apoptosis - Answer -programmed cell death
necrosis - Answer -not normal, irreversible tissue death
can result in amputation
dry gangrene - Answer -damage to tissue resulting in not arterial blood flow
Moist (Wet) Gangrene - Answer -necrotic tissue that is wet as a result of inadequate venous
drainage; may be accompanied by the invasion of saprophytic bacteria
spreads quickly
genotype - Answer -genetic makeup of an organism
phenotype - Answer -physical characteristics of an organism, affected by genotype
Karyotype - Answer -A picture of all the chromosomes in a cell arranged in pairs
1|Page
, expressivity - Answer -full/partial genes expressed in phenotype
penetrance - Answer -ability of a gene to express its function
Homozygous - Answer -An organism that has two identical alleles for a trait
Heterozygous - Answer -An organism that has two different alleles for a trait
dominant traits - Answer -Traits that always show in a person even if only one gene of the pair is
inherited for the trait
recessive trait - Answer -a genetic factor that is blocked by the presence of a dominant factor
carrier - Answer -A person whose genotype includes a gene that is not expressed in the
phenotype.
Punnett Square - Answer -A chart that shows all the possible combinations of alleles that can
result from a genetic cross
2|Page
Answers |2026/2027 Update | A+ Graded
apoptosis - Answer -programmed cell death
necrosis - Answer -not normal, irreversible tissue death
can result in amputation
dry gangrene - Answer -damage to tissue resulting in not arterial blood flow
Moist (Wet) Gangrene - Answer -necrotic tissue that is wet as a result of inadequate venous
drainage; may be accompanied by the invasion of saprophytic bacteria
spreads quickly
genotype - Answer -genetic makeup of an organism
phenotype - Answer -physical characteristics of an organism, affected by genotype
Karyotype - Answer -A picture of all the chromosomes in a cell arranged in pairs
1|Page
, expressivity - Answer -full/partial genes expressed in phenotype
penetrance - Answer -ability of a gene to express its function
Homozygous - Answer -An organism that has two identical alleles for a trait
Heterozygous - Answer -An organism that has two different alleles for a trait
dominant traits - Answer -Traits that always show in a person even if only one gene of the pair is
inherited for the trait
recessive trait - Answer -a genetic factor that is blocked by the presence of a dominant factor
carrier - Answer -A person whose genotype includes a gene that is not expressed in the
phenotype.
Punnett Square - Answer -A chart that shows all the possible combinations of alleles that can
result from a genetic cross
2|Page
