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scoundrel [369]
3 years ago
13

Determine the allele of offspring of one red and one roan parent.

Biology
2 answers:
IceJOKER [234]3 years ago
6 0
Red 75% white 0%
roan 50%
Misha Larkins [42]3 years ago
3 0
Red-75 White-0 Roan-50
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How can humans be genetically modified
antiseptic1488 [7]

Answer:

It looks like there are two main ways to modify humans :)

Explanation:

1. <em>Somatic genetic modification</em> would be the direct way to genetically modify through adding or cutting some of the cells of an existing person usually to alleviate a medical condition (but the results are not hereditary)

<em>2</em><em>.</em><em> </em><em>Germline</em><em> </em><em>genetic</em><em> </em><em>mod</em><em>ification</em> is also a direct way to genetically modify but instead using molecular engineering techniques (this would be hereditary)

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2 years ago
What causes an ecosystem to move from a primary successional stage towards a relatively-stable mature ecosystem?
Gnoma [55]

Answer:

The correct answer is "secondary succession, an ecological succession step where an area previously occupied by living beings is disrupted".

Explanation:

In ecological succession, an ecosystem changes and develops through a series of steps. The first step, is the primary successional stage where rocks or other sedimentary structures are colonized by microorganisms. The second step, where the ecosystems changes towards a relatively-stable mature stage, occurs when an area previously occupied by living beings is disrupted. This step is named secondary succession, and the most clear example of this phenomena occurs when wildfire clears oak and hickory forests.

8 0
3 years ago
Slow release of bacteriophage progeny from a bacterial host cell A. does not kill the host cell B. is a feature particular to fi
zhenek [66]

Answer:

C. causes cell lysis

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The slow release of the bacteriophage progeny from a bacterial host cell causes bacterial cell lysis and further kills the host cell which is the bacteria, this results to the liberation of progeny viruses which then infect new bacterial cells.

Only a type of bacteriophage called the filamentous bacteriophage reproduces without killing the bacterial host cell.  The filamentous phages infect majorly gram negative bacteria.

7 0
3 years ago
MRSA has emerged as a serious infectious disease, with the first case of methicillin-resistant S. aureus being detected in 1961.
andreev551 [17]

Answer:

All of the options are true for a MRSA infection.

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<em>Staphylococcus aureus</em> is one of the most frequent pathogens causing hospital and community infections. <em>S. aureus</em> can become very easy methicillin resistant (called MRSA isolates) and others beta-lactam antibiotics (are the ones widely used to treat infections) and usually can be resistant to other class of antibiotics, become a  very strong bacteria making treatment options very limited. MRSA isolates can rapidly transfer the methicillin resistance to other species of S<em>taphylococcus</em> and some other bacteria. Also <em>S. aureus</em> can acquire other antibiotic resistant genes making a deadly bacterium for its strong resistance. It is in search how the bacterium acquire this antibiotics resistance ( and other virulence factors genes) and the mechanism involve to develop new drugs to treat  MRSA infections  with the hope that can´t develop resistance to this new drugs.

3 0
3 years ago
Using an example (from class or another) and one of the forms of evolution, explain in a short paragraph the true scientific mea
melamori03 [73]

There are basically three types of evolution divergent, convergent and parallel evolution.

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