Match Each Term with Its Correct Definition

question 29

Multiple Choice

Match each term with its correct definition.
-dominant

• 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

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Definitions:

Axon Terminals

The distal terminations of axons, specialized for the release of neurotransmitters to communicate with other neurons or muscles.

Axon Tips

The distal extremities of an axon, which play a key role in transmitting signals to other neurons or muscle cells.

Synapses

The junctions through which neurons send and receive signals from each other or to and from other types of cells.

Dendrites

Branch-like extensions of neurons that receive signals from other nerve cells and transmit them to the cell body.