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zepelin [54]
4 years ago
9

DNA"DeoxyribonucleicAcid"​

Biology
1 answer:
Zarrin [17]4 years ago
7 0

Answer:

Details about DNA are given in the explanation section. Hope it will be helpful for you.

Explanation:

DNA, or deoxyribonucleic acid, is the hereditary element in humans and almost all other organisms. Nearly every cell in a person’s body has the same type of DNA. Most DNA is found in the cell nucleus (nuclear DNA), but a small quantity of DNA can also be found in the mitochondria (mitochondrial DNA or mtDNA).

The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same type in all people.

DNA bases pair up with each other, A with T and C with G, to form units that are called base pairs. Each base is also attached to a sugar molecule and a phosphate molecule.  A base, sugar, and phosphate are called a nucleotide. Nucleotides are arranged in two long strands that form a spiral called a double helix.

A valuable feature of DNA is that it can replicate, or make copies of itself. Each strand of DNA in the double helix can serve as a pattern for duplicating the sequence of bases.

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The importance of early childhood experiences for brain development. Children are born ready to learn, and have many skills to learn over many years. ... Exposure to stress and trauma can have long-term negative consequences for the child's brain, whereas talking, reading, and playing can stimulate brain growth.

Unused brain synapses disappear Research also shows that children born into cultures where early stimulation is considered important, develop earlier than Western children do," van der Meer says. She adds that the brains of young children are very malleable, and can therefore adapt to what is happening around them.

Stimulation in early childhood can alleviate adverse effects of poverty.

And early brain development has a lasting impact on a child’s ability to learn and succeed in school and life. The quality of a child’s experiences in the first few years of life – positive or negative – helps shape how their brain develops.

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3 0
3 years ago
Why might polygenic inheritance result in a continuum of phenotypes that overlap?
Anna007 [38]

Polygenic inheritance result in a continuum of phenotypes because the genes that are involved can be considered to be co-dominant traits that fall into discrete categories are called continuous traits false.

<h3>What is Polygenic Inheritance?</h3>

A single inherited phenotypic trait that is governed by two or more separate genes is referred to as polygenic inheritance, often referred to as quantitative inheritance.

In a system that is distinct from Mendelian Genetics, wherein monogenic features are determined by the various alleles of a single gene, polygenetic traits may exhibit a variety of potential phenotypes, determined by a number of different genes and the interactions between them.

In contrast to Mendelian genetics, when one allele completely dominates or hides another, features generated by polygenic inheritance are not only the result of dominance and recessively. Instead, polygenic features show incomplete dominance, resulting in a combination of the phenotypes seen in the parents in the offspring.

Learn more about Inheritance with the help of the given link:

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8 0
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You can probably find algae
NeX [460]

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all of the above is correct.

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When the Bicoid protein is expressed in Drosophila, divisions between cells in the embryo are not yet fully developed. This info
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When the Bicoid protein is expressed in Drosophila, divisions between cells in the embryo are not yet fully developed. This helps to explain that (B) Bicoid protein diffuses throughout the embryo in a concentration gradient.

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Embryo is the initial stage of a microorganism, right after the fertilization. In vertebrates, this stage does not last much longer because the development of organs begins.

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