Which disease requires vaccinations and yearly boosters?

Biology

1 answer:

german3 years ago

4 0

Polyoma vaccine does the Polyomavirus. It’s recommend that parrots get this vaccine yearly.

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Explain how you could determine wheater seeds in packets of round pea seeds have a genotype rr or rr

mezya [45]

I think you mean Round could be RR or Rr (round is dominant to wrinkled)
R=round
r=wrinkled
RR would be round phenotypically
Rr would be round phenotypically
To determine if they are RR or Rr you should perform a backcross with a wrinkled mutant!
I put a picture to demonstrate this.
If they are RR then if you cross with rr you would only get phenotypically Round pea plants.
If they are Rr then if you cross with rr you would get 50% round and 50% wrinkled. Any wrinkled? Definitely the heterozygote Rr!!

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Use the EPA website https://19January 2017snapshot.epa.gov/climatechange_.html, then click on International on the

amm1812

Answer:

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Explanation:

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Draw the phases of mitosis of a cell that contains four chromosomes as its diploid or 2n number

anastassius [24]

Answer:

Please find the diagram attached and explanation below.

Explanation:

Mitosis is a type of cell division that forms two genetically identical cells. It involves four stages viz; prophase, metaphase, anaphase, and telophase.

Considering a diploid (2n) cell with four (4) number of chromosomes.

Prophase- four duplicated chromosomes condense and pair up.

Metaphase- four chromosomes line up at the cell plate or equator in order to get separated.

Anaphase- the sister chromatids are pulled apart by the spindle microtubules

Telophase: the chromosomes recoil and organelles form at opposite poles of the cell.

At the end of cytokinesis, which is division of the cytoplasm, four chromatids are present in each daughter cell. The chromatids becomes individual chromosomes that retain the diploid (2n) chromosome number of four.

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What would happen if the oceanic conveyor belt stopped?

vaieri [72.5K]

Then oceans would be messed up and ocean life would not live as well when the oceanic conveyor belt was running

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When the anatomy of a body part is intimately tied to its specific function, scientists call this the principle of?

ollegr [7]

Complementary nature of structure and function.

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