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algol13
3 years ago
13

A research biologist is studying cells from a new organism recently discovered in the Brazilian rain forest. She determines that

the typical cell contains a total of 10 chromosomes. How many possible combinations of chromosomes could this organism produce as a result of independent assortment? Assume the organism reproduces sexually
Biology
1 answer:
scoray [572]3 years ago
5 0

Answer:

(2⁵)²: 1024 combinations

Explanation:

In this case, the chromosome haploid number (n) of the target species is equal to 10, and therefore its diploid number (2n) is equal to 5 (i.e., somatic cells in the target species contain 5 pairs of chromosomes). That means that one individual can produce 2⁵ or 32 different gametic combinations. Moreover, the number of possible combinations that emerge from paring different gametes (sexual reproduction) can be calculated as (32)² = 1024 combinations.

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Which type of epithelium is composed of multiple layers, including an apical layer containing tall, slender cells?
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The question is incomplete as it does not have the options which are:

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Answer:

Stratified columnar

Explanation:

Epithelial tissue is the tissue formed by the cells which form a layer of cell and lines the lumen of the organ and also covers the organs. The epithelial tissue can be classified based on the number of layer and shape of the cell.

In the given question, the shape of the cell is slender and are tall therefore are called columnar. The cells form more than one layer or multiple layers therefore form stratified layers.

Therefore,  the epithelial tissue formed by these slender shaped multiple layers is known as the stratified columnar layer. The stratified columnar is present in the respiratory tract and the digestive tract.

Thus,  Stratified columnar is the correct answer.

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