12 Questions
What is the name of the father of genetics?
Gregor Johann Mendel
What is the term for the first law proposed by Mendel?
Segregation
Which type of trait shows an intermediate phenotype in incomplete dominance?
Bb
What term describes the situation where both alleles in a heterozygote are fully expressed?
Co-dominance
For rare and dominant traits, affected individuals are most likely to be:
Heterozygous (Bb)
What term describes traits where individuals with the genotype Bb show a mix of phenotypes of the homozygous genotypes?
Incomplete Dominance
What term is used to describe the proportion of individual organisms having a particular genotype that expresses the expected phenotype?
Penetrance
Which factor refers to the degree to which a phenotype is expressed, ranging from mild to severe?
Expressivity
What is the term for the range of phenotypes expressed by a single genotype under different environmental conditions?
Norm of reaction
In a dihybrid cross, what is the phenotypic ratio for recessive epistasis?
9:7
What type of allele produces dark fur at the extremities of a rabbit's body based on temperature sensitivity?
Temperature-sensitive allele
Which term describes the masking of the expression of one gene by another, resulting in no new phenotypes?
Epistasis
Prepare for your MBG*2040 Midterm with this review of fundamental concepts in genetics. Covering Gregor Mendel's Laws of Segregation and Independent Assortment, as well as patterns of inheritance such as autosomal recessive, autosomal dominant, and X-linked traits.
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