Genetics Basics Quiz

What term refers to a specific, fixed position on a chromosome where a particular gene is located?

Which term describes a trait that masks the expression of another trait when both versions of the gene are present in an individual?

What is the term for the underlying genetic makeup of an organism, consisting of both physically visible and non-expressed alleles?

What is the term for having two different alleles for a given gene on homologous chromosomes?

What does the term 'phenotype' refer to?

What is the result of a cross between two true-breeding parents that express different traits for only one characteristic?

What is the result of a cross between two true-breeding parents that express different traits for two characteristics?

Which law states that in a heterozygote, one trait will conceal the presence of another trait for the same characteristic?

What does the Law of Segregation state about the allele for each gene during gamete formation?

Which type of traits are attached to the sex chromosomes?

How many pairs of chromosomes are called autosomes?

What determines whether an individual is male or female in humans and other mammals?

What do males receive from their father in terms of chromosomes?

What is the term for the independent assortment of genes, as illustrated by a cross between two true-breeding parents that express different traits for two characteristics?