sex chromosome

How To Use sex chromosome In A Sentence

• Linkage groups are designated by roman numerals and X for the sex chromosome.
• The fruit fly Drosophila melanogaster has two sex chromosomes and three autosomes.
• But what the newly sequenced genome reveals is that the platypus's male-determining gene, the monotreme equivalent of primates' SRY gene, is not located on any of those five pairs of sex chromosomes. Archive 2008-05-01
• In organisms in which gender is based on one sex being homomorphic and the other heteromorphic for the sex chromosomes, a process has evolved to equalize the output of products encoded by the genes located there.
• Chromosome heteromorphism therefore reflects de novo evolution of sex chromosomes during the evolution of dioecy in this plant lineage, a relatively recent event within this genus.
• NO dimorphic sex chromosomes were observed in either sexof the three species examined.
• From the cytogenetic perspective, only a small proportion of fish species have heteromorphic sex chromosomes.
• Silene latifolia is a dioecious plant with heteromorphic sex chromosomes.
• Next we asked whether sex chromosomes and autosomes contribute equally to the patterns of inheritance.
• The evolution of the heteromorphic sex chromosomes from an indistinguishable pair of autosomes is triggered by the suppression of recombination.