Affect killing behavior independently of matri gene

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Suppose female beetles ofa certain species always lays two eggs in a seed. The eggs hatch and eat the seed to grow into adults. Sometimes the seeds are small and might not support two adults. The first egg to hatch into a larva has the opportunity to kill its sibling at no cost to itself, thus getting the whole seed to itself, and increasing its fitness by b.

1. Under what conditions would this be favored by selection, assuming the two are lilalf-siblings'.J Assume baseline ?tness is l for both parties if there is no killing.

2. If the patrigene in the larva can affect the killing behavior independently of the matri gene (imprinting). how would the patrigene be selected?

Reference no: EM133307497

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