20 Questions
What is the result of crossing a homozygous red flower with a homozygous white flower in snapdragons and four o'clocks?
A heterozygous pink flower
What is the term used to describe the phenomenon where the alleles blend together to produce a phenotype that is in between the phenotypes of the parents?
Incomplete Dominance
What is the genotype of a heterozygous pink flower in snapdragons and four o'clocks?
RW
What is the expected outcome of crossing two pink flowering plants?
A mixture of red, white, and pink flowers
What is the genotype of the parents in the cross between a pure-breeding white radish plant and a purebreeding red radish plant?
WW and RR
What is the term used to describe a gene that has three or more alleles in a population?
Multiple alleles
What is the order of dominance for the coat color alleles in rabbits?
C > ch > cch > c
What is the phenotype of a rabbit with the genotype 'CC'?
Full color (wild type or agouti)
What type of inheritance is demonstrated by the coat color alleles in rabbits?
Dominance hierarchy
What is the term used to describe the interaction between two alleles where neither is dominant?
Incomplete dominance
What type of dominance is exhibited in the flower color of the plant?
Incomplete Dominance
What is the genotype of the first parent in the cross?
LlRR
What is the probability of a long, red offspring resulting from the cross?
4/16
How do the IA and IB alleles interact in determining blood type?
IA and IB are codominant
What is the genotype of an individual with type O blood?
ii
What is the term for the interaction of many genes that determines a given characteristic?
Polygenic inheritance
What is the result of breeding a full-color rabbit with a genotype of Ccch and a Himalayan rabbit with a genotype of chc?
A mix of full-color and Himalayan offspring
What type of inheritance pattern shows a gradual range of characteristics, rather than distinct groups?
Polygenic inheritance
What is the principle that states that alleles of a gene for one trait segregate independently of the alleles of a gene for another trait?
Independent assortment
What is the term for the situation where both alleles of a gene are expressed equally in the phenotype?
Codominance
Solve this genetics problem involving incomplete dominance in flower color and dominance in stem length. Determine the genotype of the parents in a cross between a heterozygous long-stemmed red plant and a short-stemmed pink plant.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
