Match Each Term with Its Correct Definition

question 18

Multiple Choice

Match each term with its correct definition.
-dihybrid

• A)displayed traits are unchanged over multiple generations
• B)first generation of offspring from a parental cross
• C)true-breeding organisms used in the initial cross
• D)result of a cross between two first-generation organisms
• E)allele that is expressed no matter what other allele is present
• F)allele that is expressed only if two identical copies are present
• G)any organism with two identical copies of an allele
• H)any organism with two different forms of an allele
• I)F₁ heterozygote (for a single trait)
• J)genetic makeup of an organism
• K)physical traits of an organism
• L)likelihood of something occurring if the occurrence is a matter of chance
• M)organism that is heterozygous for two different traits
• N)where an allele is found on a chromosome
• O)when one allele cannot completely mask the effects of another allele
• P)alleles at one locus mask the expression of alleles at a different locus
• Q)several different genes contribute to a particular phenotype
• R)single allele has multiple phenotypic effects