Inheritance, Variation and Evolution Crossword Puzzle

QUESTIONS LIST:

• speciation: the formation of new species in the course of evolution.
• extinction: the death of all members of a species.
• phenotype: an organism’s observable characteristics.
• evolution: the gradual change in the inherited traits within a population over time.
• classification: the organisation of organisms into groups based on their characteristics and genetics.
• dominant: describes an allele that is always expressed.
• chromosome: a long, coiled molecule of dna.
• allele: a version of a gene.
• gametes: sex cells.
• nucleotide: the monomers of dna consisting of a sugar, a phosphate group and a base.
• genotype: an organism’s genetic composition.
• mutation: a random change in dna.
• genome: the complete genetic material of an organism.
• vector: a carrier used to transfer a gene from one organism to another.
• archaea: primitive bacteria existing in extreme environments.
• gene: a section of dna that codes for a protein.
• variation: the differences between individuals due to genes, the environment or a combination of both.
• species: a group of similar organisms that are able to breed with one another to produce fertile offspring.