<span>Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release</span>. Acetylcholine is released if the synapse happens in the sympathetic ganglion, if the synapse is in post-ganglionic neuron, norepinephrine is released.
If hunted and sold, animals will have a lower chance of reproducing apart from not being there themselves, decreasing their population.
Having less species inhabiting an area, means less food for some predators. Which means that competition will occur among preators since food will be scarce.
Answer:
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Answer:
A. the two genes on chromosome 1 are more than 50 mu apart.
Explanation:
Two or more genes present on the same chromosomes are the linked genes. Linked genes do not assort independently and do not exhibit crossing over. Therefore, the linkage of genes results in deviations from Mendel's law of independent assortment. However, if the linked genes are present far from each other on the same chromosome, they may exhibit crossing over.
The greater the distance between the linked genes, the higher are the chances of crossing over. Crossing over of linked genes would result in some of the progeny to have the new gene combinations as it occurs during an independent assortment of two genes. Therefore, Mendel observed an independent assortment of two genes present together on chromosome 1 since they were present far apart from each other (more than 50 mu apart).
This would probably increase the ability to collect air out of the water properly.
