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pantera1 [17]
2 years ago
9

A pea plant has one recessive allele for white flowers and one dominant allele for purple flowers. What flower color will the pe

a plant have
Biology
1 answer:
baherus [9]2 years ago
3 0

Answer:

the phenotype is PURPLE

Explanation:

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What is the difference between dna, chromosomes, chromatid, genes, and alleles?
Lyrx [107]
CHromosom is mado chromatids. Chromatids have a lot of thriplets inside. Every thriplet is one gene. Allele is also different variant of gene
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Which is the result of an object's motion?
iren [92.7K]

Answer:

second law

Explanation:

becuz it states that force os directly proportional to the product of acceleration and mass

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8.4 waves go by in 6.875 seconds. Calculate the frequency (per 1 second)
Rainbow [258]

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Hi

Explanation:

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6 0
2 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
The waste product of nuclear energy which is a possible pollutant is:
Tamiku [17]

Answer:

A

Explanation:

Liquid cooling is applied around the uranium rods to cool them. When this water is heated thanks to uranium, it produces water vapor.

5 0
2 years ago
Read 2 more answers
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