Biology Genetics Key Terms
allele ️Any of the alternative forms of a gene that may occur at a given point on a chromosome.
asexual reproduction ️Any type of reproduction that produces offspring without mating or
fertilization.
chromosome ️A DNA-containing structure that forms by the j...
Biology Genetics Key Terms
allele ✔️Any of the alternative forms of a gene that may occur at a given point on a chromosome.
asexual reproduction ✔️Any type of reproduction that produces offspring without mating or
fertilization.
chromosome ✔️A DNA-containing structure that forms by the joining of two identical chromatids
during cell division.
clone ✔️An organism that is genetically identical to its parent and siblings.
deoxyribonucleic acid (DNA) ✔️A molecule that contains the genetic code for all cellular (nonvirus)
organisms.
diploid ✔️A cell or organism that contains two sets of chromosomes.
dominant allele ✔️An allele that is always expressed regardless of the nature of the other allele in a
pair.
exon ✔️A section of DNA that codes for proteins (as opposed to an intron, a noncoding DNA section).
fertilization ✔️The fusion of a male sex cell (sperm) and female sex cell (egg).
gene ✔️The basic unit of heredity; a section of DNA that codes for the structure of a protein.
genome ✔️All the genes present inside an organism.
genotype ✔️The genes in an organism that code for a certain phenotype.
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