BIO 340 Pfeifer
Varsani ASU Exam
1 Questions and
Complete Answers
Graded A+
Denning [Date] [Course title]
, Gene - Correct Ans: A hereditary factor that influences a particular trait.
Allele - Correct Ans: A particular form of a gene
Genotype - Correct Ans: A listing of the alleles in an individual
Phenotype - Correct Ans: An individual's observable traits
Homozygous - Correct Ans: Having two of the same allele
Heterozygous - Correct Ans: Having two different alles
Dominant allele - Correct Ans: An allele that produces its phenotype in heterozygous and homozygous
form
Recessive allele - Correct Ans: An allele that produces its phenotype only in homozygous form
Pure line - Correct Ans: Individuals of the same phenotype, that when crossed, always produce offspring
with the same phenotype
Hybrid - Correct Ans: Offspring from crosses between homozygous parents with different genotypes
Reciprocal cross - Correct Ans: A cross in which the phenotype of the male and female are reversed
compared with a previous cross
Test cross - Correct Ans: A cross between a homozygous recessive individual and an individual with the
dominant phenotype but an unknown genotype
X linked - Correct Ans: Referring to a gene located on the X chromosome
Varsani ASU Exam
1 Questions and
Complete Answers
Graded A+
Denning [Date] [Course title]
, Gene - Correct Ans: A hereditary factor that influences a particular trait.
Allele - Correct Ans: A particular form of a gene
Genotype - Correct Ans: A listing of the alleles in an individual
Phenotype - Correct Ans: An individual's observable traits
Homozygous - Correct Ans: Having two of the same allele
Heterozygous - Correct Ans: Having two different alles
Dominant allele - Correct Ans: An allele that produces its phenotype in heterozygous and homozygous
form
Recessive allele - Correct Ans: An allele that produces its phenotype only in homozygous form
Pure line - Correct Ans: Individuals of the same phenotype, that when crossed, always produce offspring
with the same phenotype
Hybrid - Correct Ans: Offspring from crosses between homozygous parents with different genotypes
Reciprocal cross - Correct Ans: A cross in which the phenotype of the male and female are reversed
compared with a previous cross
Test cross - Correct Ans: A cross between a homozygous recessive individual and an individual with the
dominant phenotype but an unknown genotype
X linked - Correct Ans: Referring to a gene located on the X chromosome
