All living organisms are composed of one or more cells, per the cell theory.
Answer:
1. During meiosis, we have three chromosomes +, +, ey, when duplicating them in sister chromatids we will have the combination ++, ++, eyey, then multiple alignments are made to generate the metaphase, the pairs will be randomly joined and the odd will be left couple, two of the three arrangements will be added and will generate two sperm + ey and two +, on the other side 2 with ++ and 2 with ey will be produced, thus the genotypes will be the following:
1/3 +
1/3 hey
1/6 ++
1/6 hey
2.
to evaluate the probabilities of the genotype e and when crossing the spermatozoa already studied it will be the following
1/6 ++ hey
1/6 eyey
1/3 + eyey
1/3 + hey
With this result we can deduce that 1/6 will not have eyes and 5/6 are wild type, which supposes that there is no crossing and that wild flies have the genotype + eyey
We hear sound because of sound waves.
Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.
Hello
The correct answer is C. a polar ice cap because at the poiint of freezing water turn into ice
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