Mutations in which genes can cause stomatal clustering (violation of one-cell spacing)?

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#Question id: 14998

#XL - T Zoology

You set up a monohybrid cross between true breeding round winged and true breeding oval winged insects. Your F1 offspring have round wings, and you collect the following numbers of F2: Round wings: 302; Oval wings: 86. Which of the following statements is NOT correct?

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#Question id: 14999

#XL - T Zoology

I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?

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#Question id: 15000

#XL - T Zoology

I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?

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#Question id: 15002

#XL - T Zoology

If you performed a dihybrid cross and found that your results were significantly different from the 9:3:3:1 ratio, what would you suspect?

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#Question id: 15137

#XL - S Microbiology

Most mitochondrial proteins however, are manufactured under the direction of the nucleus. Mitochondria reproduce by 

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#Question id: 15144

#XL - S Microbiology

For the stimulation of B-cell responses