sentence: Many insects use a sex determination system based on the number of sex chromosomes.
sentences_after: All other chromosomes in these organisms are diploid, but organisms may inherit one or two X chromosomes. In field crickets, for example, insects with a single X chromosome develop as male, while those with two develop as female.
concept_name: insect
headings: Sex determination Genetic determination null Various genetic systems
categories: Classical genetics Developmental biology Cell biology Biological reproduction