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Old 04-07-2008, 01:10 PM
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Biology genetics!!! help plz :( I don't get this one...?

ok the question reads:

Black coat colour (B) in cocker spaniels is dominant over white coat colour (b). Solid coat pattern (H) is dominat over spotted pattern (h). The gene for pattern arrangement is located on a different chromosome than the one for colour, and the pattern gene segregates independently of the colour gene. A male that is black with a solid pattern, mates with 3 females. The mating with female A, which is white and solid, produces 4 pups; 2 black, solid; and 2 white, solid. The mating with female B, which is black and solid, produces a single pup, which is white, spotted. The mating with female C, which is white and spotted, produces 4 pups; one white, solid; one white, spotted; and one black, solid; one black, spotted.

Indicate the genotypes of the parents.


HELP ME PLZ this is sooo confusing i can't even make a punnett square

ps. if you get it can you explain your answer plz

thanks!!!!
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