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Verizon [17]
3 years ago
13

To find a gene, you have to associate a phenotype with a genotype (e.g. all individuals with white flowers have a certain allele

). it is much harder to find genes that are involved in polygenic traits than it is to find the genes responsible for discrete traits. why? it's much more difficult to determine the dna sequence of alleles associated with polygenic traits. the alleles associated with polygenic traits are usually co-dominant. polygenic traits results from extensive gene by gene interactions, which makes finding individual genes difficult. it's harder to find one of the many genes involved in a polygenic trait vs. the only gene involved in a discrete trait..
Biology
1 answer:
irga5000 [103]3 years ago
5 0
It's harder to find one of the many genes involved in a polygenic trait vs the only gene involved in a discrete trait.
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Adults who are on their feet alot for work will often soak their swollen ankles in a pail of hot water with Epsom salt dissolved
Tanya [424]

The type of solution formed is hypertonic.

<h3>What are hypertonic solutions?</h3>

Hypertonic solutions are solutions with higher dissolved solutes as compared to the sap of the cells suspended in them.

Epsom salt is made up largely of magnesium sulfate. Thus, a solution formed by dissolving Epsom salt is water will have more magnesium in it than the cells of the part of the body soaked in it.  

Hence, such a solution is hypertonic.

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2 years ago
The region of the body surface monitored by a pair of spinal nerves is known as a __________.
Korolek [52]
The region is called the dermatome.
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3 years ago
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A group of organs that work together is called a _____________ .
NemiM [27]

Answer:

Organ system

Explanation:

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8 0
3 years ago
Which TWO descriptions of plants explain how they contributed to the carbon cycle?
denpristay [2]

Plants stored carbon in their tissues to use as energy and plants took in carbon dioxide and released oxygen through photosynthesis. Thus, the correct option is A and D.

<h3>What is carbon cycle?</h3>

The carbon cycle is the ongoing process through which carbon atoms move back and forth between the atmosphere and the Earth. The amount of carbon in this system does not fluctuate because our planet and its atmosphere are a closed environment. The location of the carbon, whether it is on Earth or in the atmosphere, is continually changing.

Plants use photosynthesis to transport carbon from the atmosphere into the biosphere and move it up the food chain. They make sugar molecules by chemically combining carbon dioxide with oxygen and hydrogen from water using solar energy.

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4 0
2 years ago
A type of glycocalyx called the _______ is loosely attached to the bacterial cell and protects it from dehydration and loss of n
IrinaVladis [17]

A type of glycocalyx called the slime layer is loosely attached to the bacterial cell and protects it from dehydration and loss of nutrients .

<h3>What is glycocalyx ?</h3>

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Glycocalyx in humans : it is important to both vascular function and the digestive system . your blood vessels actually tiny tubes made of cells .the cells on the very inside of the tube are called endothelial cells and have to withstand the stress of blood flowing over them constantly. endothelial cells produce a glycocalyx which helps leukocytes and thrombocytes stick to blood vessel walls.it is the protective layer of the endothelial cells found in the lumen side of the vessels .

Glycocalyx in bacteria : most of the bacteria produce glycocalyx but some are expert .these expert bacteria make a very thick glycocalyx that helps them to adhere to each other and surfaces in extreme environments .bacteria use the glycocalyx to make thick films of bacteria in nature as well ,called a biofilm .

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