thanks to a novel recessive mutation, a certain plant species has begun to invade colder arctic regions outside of its normal range. however, this cold-tolerant mutation has not yet become fixed in the population. a second mutation arises that promotes self-pollination. do you predict that the self-pollination allele will be selected for in the arctic regions? why or why not?



Answer :

         Plant cell death is the intracellular sequence of activities that ends the life processes of a plant cell. Plant cells can die through necrosis, apoptosis, or autophagy.

What happens to a plant eventually, causing it to die?

     Senescence describes all of the alterations that occur in a plant and ultimately result in the death of its cells, tissues, and ultimately the entire plant body. Even in extremely young, thriving plants, these alterations can be visible in a few cells.

         An embryo and endosperm, both of which are necessary for the growth of a viable seed, are produced in angiosperms as a result of double fertilization. Plants that are diploid create diploid embryos and triploid endosperm.

        Why does the photoperiodic route, which many plants utilize, control when flowers form? In this plant, temperature and day duration both affect flowering. Flower formation is being hindered by the warm environment and prolonged exposure to light.

       The aberrant transformation of floral components into leafy structures is known as phyllody. Although environmental variables that lead to an imbalance in plant hormones may also be to blame, phytoplasma or virus infections are the usual culprits.

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