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4 Topic Pages Found in Biology and starting with the letter Y
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Open Yams
Yams

common name for some members of the Dioscoreaceae, a family of tropical and subtropical climbing herbs or shrubs with starchy rhizomes often

Open Y chromosome
Y chromosome

Smaller of the two sex chromosomes . In male mammals it occurs paired with the other type of sex chromosome (X), which carries far more genes . The Y

Open Yellow fever
Yellow fever

acute infectious disease endemic in tropical Africa and many areas of South America. Epidemics have extended into subtropical and temperate regions

Open Yucca
Yucca

( yŭk'ə ), any plant of the genus Yucca, stiff-leaved stemless or treelike succulents of the family Liliaceae ( lily family), native chiefly to the