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Genetics and Heredity

Across
The region of DNA coded for specific jobs
The types of organism where the ancestors had uniform DNA
The specific set of genes present in an organism
Physical characteristics or traits of an individual organism.
The likelihood that a particular event will happen
Across that examines the inheritance of two different traits
Medel's 2nd law of genetics that says that organisms inherit 2 copies of each gene then donate one copy to their gametes
A chromosome that directly controls the development of sex characteristics
The exchange of chromosome segments during Prophase I of Meiosis I
The study of heredity patterns the variation of organisms
A cross between an organism with an unknown genotype and an organism with a recessive phenotype
A cell that has two copies of each chromosome, one from the egg and one from the sperm
A cell that only has 1 copy of each chromosome
A pair of alleles which are different from each other
Down
The fusion of an egg and sperm cell
The female gamete
The male and female sex cells
A grid system for predicting all possible genotypes resulting from a cross
The allele that is expressed when two different alleles are present
A cross that examines the inheritance of only one specific trait
Alleles for a trait are identical to each other
The male gamete
The allele that is expressed only when both copies are present
Characteristics that are inherited