A Level Biology - Inheritance Crossword Puzzle

QUESTIONS LIST:

• autosome : any chromosome that is not a sex chromosome
• monohybrid : a genetic cross involving one pair of contrasting characteristics
• locus : specific position of a gene on a chromosome
• genotype : genetic constitution of an organisms
• chisquared : statistical test used to determine if results differ significantly from expected ratios
• dominant : an allele that is expressed even when only one copy is present
• heterozygous : having two different alleles for a particular gene
• codominance : a situation where both alleles are fully expressed in the phenotype
• testcross : cross between an organism of unkown genotype and a homozygous recessive individual
• zygote : the diploid cell formed by the fusion of an egg and a sperm cell
• punnettsquare : a diagram showing how alleles combine during fertilisation
• gene : a length of dna that codes for a polypeptide
• gamete : a haploid sex cell
• recessive : an allele whose effect is masked by a dominant allele
• phenotype : the observable characteristics of an organism
• alleles : alternative forms of the same gene
• chromosome : thread-like structure of dna carrying genetic information
• homozygous : having two identical alleles for a particular gene
• dihybrid : a cross involving two pairs of constrasting characteristics
• sexlinkage : type of inheritance where genes are carried on the x or y chromosome