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1 year ago

Why might polygenic inheritance result in a continuum of phenotypes that overlap?

1 answer:

8 0

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.

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Select the correct answer from each drop-down menu. Humans use many chemical substances for farming that consequently affect bio

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Eutrophication occurs due to excessive use of these compounds, which can lead to having dead zones in bodies of water.

Dead zones refers to areas with decreased levels of oxygen in the bodies of water caused by eutrophication and other factors. These affect the marine life negatively as fishes are also dependent on oxygen.

Eutrophication is defined as the presence of excess minerals in the water, which causes dense growth of plants and leads to depletion of oxygen that make the animals in the water to die.

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3 years ago

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What is intramembranous ossification? a. the formation of bone from preexisting hyaline cartilage models b. the formation of bon

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Answer:

c. the formation of bone from within fibrous membranes

Explanation:

On the basis of formation ossification process is divided into two types:

1) Endochondral ossification : The process by which bone is formed from haline cartilage.

2) Intramembranous ossification : The process by which bone is formed by replacing a fibrous membrane and not from cartilage. This type of ossification occurs as follows :

An ossification center appears in the fibrous connective tissue membrane.
Bone matrix is secreted within fibrous membrane
Woven bone and periosteum forms.
Bone collar of compact bone forms and red marrow appears.

Hence option c. the formation of bone from within fibrous membranes is the right option

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3 years ago

The cilia lining the upper respiratory passages (superior to the larynx) beat inferiorly, whereas as the cilia lining the lower

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Answer:

The cilia in the upper respiratory tract move mucus down toward the pharynx whereas the cilia in the lower respiratory tract move them up toward the pharynx.

Explanation:

Through the internal nares, the air enters nasopharynx from the nasal cavity. This air has dust-laden mucus. The nasopharynx is lined with ciliated pseudostratified columnar epithelium. These cilia move the mucus down toward the most inferior part of the pharynx. The lining of the larynx inferior to the vocal folds is made up of ciliated pseudostratified columnar epithelium and have ciliated columnar cells, goblet cells, and basal cells.

The goblet cells serve to produce and secrete mucus. The mucus from goblet cells helps trap dust that was not removed in the upper passages. Therefore, the cilia in the upper respiratory tract move mucus and trapped particles down toward the pharynx whereas the cilia in the lower respiratory tract move them up toward the pharynx.

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2 years ago

What most likely caused the rabbit population to decrease over the first time unit shown in the following graph? a. A disease in

skelet666 [1.2K]

It’s either A or B

Diseases can often cause a decrease in the population

But also without healthy grass for them to eat, they begins to die off cause of not a lot of food left for them to eat enough to survive.

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2 years ago

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A spinning turbine can only generate electricity in the form of a/an _______ current. Of all the alternative energy technologies

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Answer:1. alternating

2. direct

3. reservoir

4. Solar cells

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3 years ago

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