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HELP ME I BEEN DOING THIS FOR AN HOUR I CANT DO ITTT ! biology 9grade

HELP ME I BEEN DOING THIS FOR AN HOUR I CANT DO ITTT ! biology 9grade-example-1
User Martinique
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Answer: tay sachs is autosomal recessive so you need 2 tt for someone to have it

One of each parents is a carrier Tt and the dark ones are tt and then the center 2 parents are both Tt and the circle in the bottom left would be TT

square on the r in the middle row can be anything same as the white square progeny of the same

Step-by-step explanation:

User Shehab Fawzy
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