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valkas [14]
3 years ago
5

Who is most affected by lethal recessive allele

Biology
1 answer:
Oksana_A [137]3 years ago
4 0
Homozygous recessive individuals (A)
This is because it can carry two copies of the same allele.
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Find the median for this set of data.<br> 10.2.<br> 6.8<br> 5.4<br> 3.7<br> 9.3
Nat2105 [25]

Answer:

6.8

Explanation:

least to greatest.

3.7 5.4 6.8 9.3 10.2

if there is an even number  in the data set  then the median is found by the mean of the two middle most.

but since it is an odd data set it is 6.8

HOPE THIS HELPS!

3 0
3 years ago
A gene on human chromosome 15 is expressed throughout the body. However, in the brain, only the maternal copy of the gene is exp
lord [1]

Answer:

C) Through genomic imprinting, methylation regulates expression of the paternal copy of the gene in the brain.

Explanation:

The pattern of gene expression wherein either paternal or maternal gene is expressed in specific cells while the other one is prevented from expression is known as genomic imprinting.

In the given example, the maternal copy of the gene on chromosome 15 is expressed in brain cells while its paternal copy is not expressed in these cells. Hence, the pattern of expression of this gene is regulated through genome imprinting. One of the mechanism is methylation of cytidine residues of CpG islands of the DNA that are more frequently present within promoters of the genes.

When the cytidine residues of these sequences are methylated into 5-methylcytidine, the transcription factors do not bind to these promoters preventing the expression of these genes.

Hence, methylation of cytidine residue in CpG islands of the promoters of the gene present on chromosome 15 could have silenced its expression in brain cells.

6 0
3 years ago
Which factors would explain this pattern among predator and prey populations in this area?
Dimas [21]
I believe the Answer would be B because they are both increasing but I am not 100% correct
7 0
3 years ago
Environmental science exam.
Lapatulllka [165]
Actually the answer is none of the answers
They are all transfer of heat in many ways
4 0
2 years ago
12. If a molecule of socium [small, fat-insoluble) needs to get into a cell, but there's
Keith_Richards [23]

Answer: If a molecule of socium [small, fat-insoluble) needs to get into a cell, but there's already a high concentration of sodium inside the cell compared ..

Explanation:

6 0
3 years ago
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