checkerboard

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Punnett,

Reginald Crundall, English geneticist, 1875-1967.
Punnett square - a grid used in genetics. Synonym(s): checkerboard

checkerboard

the pattern of a chess or draft board; used in many circumstances to display the results of mixing a specific number of variables. The variables are listed in columns designated along the horizontal border and the same or different variables in lines along the vertical border; the results of each mixing are recorded in the box where the columns and lines carrying the ingredients of the mix intersect.
References in periodicals archive ?
Cuttlefish were presented with high-contrast checkerboard squares located on the 2D floor at three distances: a) directly underneath the cuttlefish in a lBL-diameter circle; b) directly outside the 0BL diameter of the plexiglass cylinder, with a 50% gray floor located underneath the cuttlefish; and c) a ring around the cuttlefish at 1BL (8.
Cuttlefish showed a Uniform body pattern on the 50% gray control and a Disruptive body pattern on the checkerboard control (Fig.
Cuttlefish responded to high-contrast checkerboard squares located on the substrate directly beneath them with weak Disruptive body patterning (i.
Animals responded to high-contrast, vertical checkerboard squares located at 0BL with a Disruptive body pattern.
Since 18 [equivalent to] 6 (mod 11 + 1)(6 [not member of] {1, 11, 11 [+ or -] [equivalent to] 4 (mod 6 + 1)(4 [not member of] {1, 6, 6 [+ or -] 1}), and 6 [equivalent to] 1 (mod 4 + 1) (1 [member of] {1, 4, 4[+ or -]1}), after obtaining a solution for a 1 x 4 checkerboard, one can recursively construct solutions for 4 x 6, 6 x 11, and 11 x 18 checkerboards, as shown in Figure 6.
Suppose that the squares of an m x n checkerboard (m rows and n columns), where mn [greater than or equal to] 2, are alternately colored black and red.
Figure 1(b) shows a placement of 6 coins on a 3 x 8 checkerboard such that the number of coins on neighboring squares of every black square is even and the number of coins on neighboring squares of every red square is odd.
This physical surface was a slowly, irregularly rotating checkerboard (approximately 2 revolutions/min) made of photocopied paper glued onto foam core and was mechanically introduced along the line of sight to the pyramid as illustrated in Figure 3.
The checkerboard was a disk 29 cm in diameter with 5 cm black and white checks having either 1.
The second part of the task involved an adjustment of the pointer to match the pyramid's distance after the slowly, irregularly rotating, opaque checkerboard was introduced along the line of sight to the pyramid.
Glass serveware and salad sets bear a checkerboard design.
1 -- cover -- color) Traditional wood decks can be given an urban contemporary look such as this colorful checkerboard design created with Thompson's new Water Seal Deck & House Solid Latex Stain products, finished with clear waterproofing.