Match the following terms and definitions. 1. replication
when both genes are dominant and both are expressed in the phenotype
2. mutation
the breeding of two organisms that have genes for two different characteristics
3. codominance
separation of DNA's two polynucleotide chains, which act as a template for a new chain
4. multiple alleles
when more than two alternatives for a gene exist
5. dihybrid cross
a copying mistake made during DNA replication

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam