Centuries: 18th century - 19th century - 20th century
Decades: 1800s 1810s 1820s 1830s 1840s - 1850s - 1860s 1870s 1880s 1890s 1900s
Years: 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859
... that are too short would anneal at several positions on a long DNA template, which would result in non-specific copies. On
the other hand, the length of a primer is ...
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