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GarryVolchara [31]
3 years ago
13

Which best describes a gene

Biology
2 answers:
Katyanochek1 [597]3 years ago
8 0

different allele forms of a trait


motikmotik3 years ago
5 0

Answer;

a segment of chromosomal DNA

Explanation;

A gene is a  hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism. Genes undergo mutation when their DNA sequence changes.

It is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins.  However, many genes do not code for proteins.

Alleles are forms of the same gene with small differences in their sequence of DNA bases. These small differences contribute to each person’s unique physical features.

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How does the collection and use of fresh and fossilized guano affect the phosphorus cycle and ecosystems.
wel

Answer:

Other deposits may be from fossilized bone or bird droppings called guano. Weathering and erosion of rocks gradually releases phosphorus as phosphate ions which are soluble in water. Much of the phosphate eventually is washed into the water from erosion and leaching.

Explanation:

3 0
2 years ago
Are triglycerides dengerous
Hatshy [7]

They are not something that you prevent from being made in your body. They are automatically made when you eat food that is not automatically converted into calories. This is used for energy later on for you body.

But too much of triglycerides is bad for you. This condition is called hypertriglyceridemia. Your doctor can detect if you have this condition by simply running a lipid panel (a blood test) that measures your overall cholesterol, you LDL and HDL cholesterol, and also measuring your triglycerides.

If you do take this test, they will make you fast for about 8 hours. They make you do this because triglycerides are usually lowest after you fast but goes up really high after a big meal (like a Thanksgiving Dinner!).

(Extra: your triglycerides are measured in milligrams per deciliter (mg/dL) and if your levels are:

BELOW 150 -----------------Healthy

150-199 -----------------------Borderline

200-499 ---------------------High

500+ --------------------------Very High


Most people are under 200, so in the end, you don't have to worry about your triglyceride levels.

You can read more about it here: https://www.cardiosmart.org/Heart-Conditions/High-Cholesterol/High-Cholesterol-Home/Very-High-Triglycerides


5 0
2 years ago
What is true about biogeochemical cycle?
Elden [556K]

Answer:

Biogeochemical cycle is one of the several natural cycles, in which conserved matter moves through biotic and abiotic parts of a ecosystem. In biology, conserved matter refers to the finite amount of matter, in the forms of atoms, that present within the earth.

Explanation: It is true that the chemical is one of the natural cycles within earth

8 0
3 years ago
What is the first step in the life cycle of a plant that reproduces sexually?
coldgirl [10]

Answer:

The most appropriate answer would be A sperm cell fertilizes an egg cell.

In sexually reproducing organisms including plants, life starts as a single-celled zygote which is formed by the fertilization of sperm and egg.

The zygote then divides through mitotic division to form an embryo.

After fertilization In angiosperms, the ovule matures to form seed and ovary matures to form fruit.

In gymnosperms, zygote develops into a new sporophyte.

6 0
3 years ago
Read 2 more answers
For humans, freckles are dominant over not having freckles. Which offspring would not have freckles?
Nadya [2.5K]

Answer:

Explanation:

The only way a recessive trait will show is if the offspring receives 2 recessive (lower case) alleles.

If there are any upper case letters present only the dominant trait will show.

The correct answer would be the box(es) that contain 2 lower case letters.

8 0
3 years ago
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