Genetics & Evolution Terms Crossword Puzzle

QUESTIONS LIST:

• mitochondrion : organelle that contains its own genome, and that is found in almost all eukaryotic cells
• meiosis : the nuclear division process that is involved in the production of gametes
• haploid : term that describes a cell where there is only one of each kind of chromosome
• methylation : the specific epigenetic process that involves modification of dna nucleotides (usually results in “silencing” the sequence including those nucleotides)
• archaea : the group of prokaryotes that are not bacteria
• homology : a similarity due to shared ancestry
• genetic drift : process that causes evolutionary change simply due to randomness (two words)
• histones : proteins that bind tightly or loosely to dna at regular intervals; how tight or loose depends on their degree of acetylation, which the cell can regulate
• convergent : adjective that defines the type of evolution that leads to similar traits in two or more relatively unrelated lineages (like wings in birds, bats, and insects)
• promoter : region within a gene that contains dna sequences crucial to transcription initiation
• allele : a unique dna sequence version of a gene
• population : level of biological organization that describes a group of individuals of the same species found within a geographically defined area
• fitness : term that describes the organism’s success in genetic contributions to future generations