Answer:
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Explanation:
The mules are the hybrid of the horse and donkey. The horse female gamete cell contains 32 chromosomes whereas the donkey sperm cell contains 31 chromosomes.
The hybrid produced shows that the donkeys and horses shared the recent common ancestor.
The mules are infertile organisms as their gametes are not formed properly due to the difference in the number of chromosomes of the male and female gamete.
The gametes are produced by the process of meiosis which involves the pairing of homologous chromosomes but chromosomes fail to pair because of one extra chromosome which fails to for homologous pair.
The mitosis is possible in the organism as the mitosis process does not involve the pairing.
Explanation;
Plants need energy all the time, they need it to grow, reproduce and do just about anything. This is where photosynthesis comes in, plants do photosynthesis because in the process it develops ATP which can be used as energy and can be broken down into ADP for the release of energy. So in short plants do photosynthesis for energy.
Digestion breaks food down into small molecules. These can<span> be absorbed across the wall of the small intestine into the bloodstream. </span>Glucose<span> is carried round the</span>body<span> dissolved in </span>blood<span> plasma, the pale yellow liquid part of our </span>blood<span>. The dissolved </span>glucose can<span> diffuse into the </span>cells<span> of the </span>body<span> from the </span><span>capillaries</span>