Classical Genetics Crossword Puzzle

QUESTIONS LIST:

• genome : complete set of genetic material in an organism, including all of its genes.
• allele : alternative version of a gene found at the same locus on homologous chromosomes.
• locus : specific physical location of a gene or dna sequence on a chromosome.
• phenotype : observable characteristics of an organism resulting from genotype and environment.
• genotype : genetic makeup of an organism for a particular trait or set of traits.
• homozygous : having two identical alleles for a given gene.
• heterozygous : having two different alleles for a given gene.
• dominant : allele whose trait is expressed in the phenotype when present in a heterozygote.
• recessive : allele whose trait is masked in the phenotype when a dominant allele is present.
• mendel : scientist who discovered the fundamental laws of inheritance using pea plants.
• segregation : mendel’s first law stating that alleles for a trait separate during gamete formation.
• independent assortment : mendel’s second law stating that alleles of different genes assort independently during gamete formation.
• monohybrid : genetic cross involving a single trait, often producing a 3:1 phenotypic ratio.
• dihybrid : genetic cross involving two traits, often producing a 9:3:3:1 phenotypic ratio.
• epistasis : interaction between genes where one gene masks or modifies the expression of another.
• complementary genes : two genes that must both have a dominant allele present to produce a phenotype.
• dominant epistasis : gene interaction where a dominant allele at one locus masks expression at another locus.
• recessive epistasis : gene interaction where a homozygous recessive genotype at one locus masks expression at another locus.