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iogann1982 [59]
3 years ago
6

HELP ASAP!!!! 20 POINTS + BRAINLIEST!!!!!

Biology
2 answers:
Vinvika [58]3 years ago
5 0

Answer:

all of the above

Explanation:

Paha777 [63]3 years ago
3 0

Answer:

I am not sure but all of the above because those are all weathering p.s, don't take my word for it

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Human abo blood groups are determined by a single gene with 3 alleles: a, b, and o. in a sample of 300 individuals, 100 are bloo
KengaRu [80]
Allele frequency is determined by looking at the dominant and recessive allele of a genotype. 
Using the given, we can come up with the following computation for the allele frequency:
allele A = 100/300 allele B = 50/300 allele O = 150/300
Hence, the frequency of allele A is 0.33 or 33%, allele B is .17 or 17% and allele O is 0.50 or 50%.  
5 0
4 years ago
The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it ________. pumps blood against
Elanso [62]

Answer:

"pumps blood against a greater resistance" that the answers. hope this helped

4 0
3 years ago
HELP PLEASE IM GONNA DIE IF I DONT PASS
astra-53 [7]

Answer:

you would see rivers and mountains.

pine peak is the highest point because there are more circles surrounding it and its also named.

it is flowing away from the ocean because fresh water fish have to swim UP river to spawn in the ocean.

i think its 20 but im not sure

Explanation:

i hope this helps :)

4 0
4 years ago
In humans, methylation of chromosomal DNA is a signal that often leads to
Ulleksa [173]

Answer:

The correct answer will be option-formation of heterochromatin

Explanation:

Methylation of DNA is the epigenetic mechanism which controls the expression of a gene by adding a methyl group to the cytosine bases in eukaryotic DNA.

The methylation of DNA converts the cytosine residues to the  5-methylcytosine catalysed by DNA methyltransferase enzyme. This results in the silencing of the gene and transcription get switched off.

Studies have shown that DNA methylation is involved in the formation and maintenance of the heterochromatin structure which is the condensed form of the chromatin in which transcription is switched off.

Thus, the formation of heterochromatin is the correct answer.

7 0
3 years ago
At what angle is earths axis tilted in relation to the sun?
maxonik [38]
23.5 degrees relative
6 0
4 years ago
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