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yaroslaw [1]
3 years ago
9

Where does your blood become oxygenated ("picks up" oxygen)?

Biology
1 answer:
ra1l [238]3 years ago
5 0

Answer:

C. The lungs

Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries. Red blood cells drop off oxygen to the cells through tiny tubes called capillaries. Blood then returns to the heart through the veins and the cycle begins again.

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A diploid organism has a somatic chromosome number of 16. The centromeres of the 8 homologous pairs are designated as Aa, Bb, Cc
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Answer:

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Explanation:

The diploid number of chromosomes are represented as 2N.

Here the somatic chromosome number is 16 which can be represented in the "2N" format with N being equal to 8.

Now, as we know that the total number of chromosomal combination with chromosome number being

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is equal to

2^N\\

Substituting the given values in above equation, we get -

2^8\\= 256\\

Therefore, total of 256 different combinations of centro-meres could be produced during meiosis.

Hence, option C is correct

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