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horsena [70]
3 years ago
10

Sex-linked Inheritance-Biology? Which of the following is true of an X-linked gene, but not of a Y-linked gene?

Biology
1 answer:
Katena32 [7]3 years ago
5 0
XX shows female
XY shows male
answer will be E as it is present on both genes.
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Explain how prokaryotes can reproduce sexually and asexually.  In this discussion be sure to explain how the genetic material fr
Alexxx [7]

Answer:

During the asexual reproduction, bacteria can divide simply by binary fission in which one bacteria first replicate its genetic material and the cell divide in two daughter cells which are identical to the parent cell.

Asexual reproduction does not allow genetic variation therefore to get genetic variation bacteria can use conjugation, transformation and transduction process.

In conjugation, bacteria gets extra genetic material from other bacteria through sex pills. In transduction the genetic material enters into the bacterial cell through the virus then bacteria incorporate this genetic material in its genome.

In transformation, bacteria takes up the extra genetic material from it's surrounding. Therefore conjugation, transduction, and transformation helps bacterial to gain variation like as in sexual reproduction.

8 0
3 years ago
PLEASE HELP. And please explain
Naily [24]
Phylum Porifera

The phylum Porifera ("pore-bearing") consists of approximately 5,000 species of sponges. These asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution
5 0
3 years ago
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Which of the following correctly describes the appearance of muscle tissue found in the heart? (2 points) Single-nucleus, non-st
muminat

Answer:

The correct option is B.

Explanation:

Muscle tissues of the heart refers to a group of cells that are carrying out similar functions in the heart. There are three different types of muscles, these are skeletal, cardiac and smooth muscles. The cardiac muscles are found in the heart, they form the contractile wall of the heart. These muscle contract involuntarily ( that is, without any external stimulation) and they are single nucleus, striated and short.

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3 years ago
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Which organisms convert nitrogen into a form that is usable by humans?
White raven [17]
Yes it’s C I agree
5 0
3 years ago
List the five classes of antibody heavy chains and provide one function for each.
Lesechka [4]

Answer:

IgM, IgA, IgE, IgD and IgG

Explanation:

IgM functions in the initial response to offence.

IgA is important for protection of mucus membranes such as in saliva, sweat, tears and gastric fluid.

IgE is active during allergic reactions and defense against infections.

IgD is found on the surface of lymphocytes and is activated upon contact with antigens.

IgG forms part of the secondary response to antigen and is also responsible for newborn protection.

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3 years ago
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