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solmaris [256]
3 years ago
9

All of the cells in the human body contain the same genes. How do cells have different morphologies and functions when they cont

ain the same genetic information?
Biology
1 answer:
Anika [276]3 years ago
7 0
Different cell types synthesize proteins at a different rate. Different cell types express particular genes at different levels. Different cell types receive different paracrine signals.
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never [62]

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Sunlight

Explanation:

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Using data from seismic waves, geologists have learned that Earth’s interior is made up of several what?
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Is made up of several layers.
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In fruit flies, curved wings (w) are recessive to the dominant straight wings (W), and ebony body (b) is recessive to the domina
lara [203]

Answer:

The correct answer =

parents : WwBb x wwbb

offspring :

WwBb, Wwbb, wwBb, and wwbb

Explanation:

It is given that the straight wings (W) is dominant over curved wings (w) and the ebony body (b) is recessive to the dominant gray body (B) and there is a cross between curved wings and ebony body and straight wings and gray body is made. The phenotypic ratio is: 1:1:1:1 for the four different phenotypes straight gray, straight ebony, curved gray, curved ebony.

It is not given the genotype of parents, however, for the curved and ebony fly, it is clear that both alleles are recessive as recessive alleles only appear in absence of the dominant allele of the trait.

For another parent, the possible genotypes can be  WWBB or WwBb, however in the case of WWBB the phenotypic ratio would not be equal therefore,

crossing WwBb x wwbb

This can be represented in the form of a punnett square as below:

          wb   wb           wb           wb  

WB WwBb WwBb WwBb WwBb Straight wing, Gray body

Wb Wwbb Wwbb Wwbb Wwbb Straight wing, Ebony body

wB wwBb wwBb wwBb wwBb Curved wing, Gray body

wb wwbb wwbb wwbb wwbb Curved wing, Ebony Body

The phenotypic ratio is: 1:1:1:1 for the four different phenotypes

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2 years ago
What is one of the most effective ways to stop invasive animal species from entering the Great Lakes ecosystem?
monitta
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3 years ago
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Why would water front realtors want to preserve the riparian zone?
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The correct option is E.
The Ripariana zone is an interface between land and a body of water, especially rivers and streams. The riparian zone is home to many animals which move between land and water. The riparian zone provides many recreational and environmental benefits to streams, underground water and downstream land areas. <span />
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3 years ago
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