For a double-slit experiment, in which the spacing between the slits is = where is the width of each slit, calculate the total number of bright fringes within the central diffraction maximum in the fraunhofer interference/diffraction pattern. which order of the interference fringes are missing?

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How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

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