A link over the lake: Tempe gets $25M for bridge for pedestrians, bicyclists
A new bridge across Tempe Town Lake, for pedestrians and bicyclists, will connect the north and south shores just west of ...
Nature12y
Barbara McClintock: The Secret of Maize
McClintock was born on June 16 ... She and graduate student Harriet Creighton described the process of crossing over, when chromosomes exchange material during cell division.
Nanowerk3y
Chromosomal crossover
The physical basis of crossing over was first demonstrated by Harriet Creighton and Barbara McClintock in 1931. The linked frequency of crossing over between two gene loci (markers) is the ...
KTAR News2d
3 Arizona transportation projects, including new bridge over Salt River, get federal funding
Three Arizona transportation projects, including a pedestrian bridge over the Salt River, were selected to receive over $44 ...
Nature3y
Barbara McClintock and the Discovery of Jumping Genes (Transposons)
However, he couldn't explain why or how this occurred. As McClintock discovered, the unstable mutation Emerson puzzled over was actually a four-gene system, as outlined in Table 1. C Recessive ...