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grigory [225]
2 years ago
13

Using the Karyotype above, what chromosome has an error? 1 21 X Y

Biology
1 answer:
MAVERICK [17]2 years ago
7 0

Answer:

21

Explanation:

there are supposed to be 2 chromosomes, not 3. This person has down syndrome.

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Of the several possible nonegg models of Earth, which do you feel is most appropriate? Why?
motikmotik

Answer:

The earth is like an egg inside of the earth is layered something like an egg. Both have a thin, brittle shell. The crust of the earth is broken into pieces, like the cracked shell of a hardboiled egg. the mantle of the earth is like the egg white and the core of the lies in the center, like the egg yolk.

Explanation:

Hope that helps

3 0
3 years ago
Occurs when the body receives antibodies from another source, such as a child receiving antibodies from its mother
ValentinkaMS [17]

Answer:

Innate immunity

Explanation:

Innate immunity is also referred to as inherited or natural immunity. It is the type of immunity that one is born with. It is passed on from mother to offspring. This form of immunity is non-specific as it offers protection from many types of antigens.

8 0
3 years ago
What disease is most associated with Clostridium perfringens?
Vilka [71]

Answer:

The correct option is : c. gas gangrene      

Explanation:

Gas gangrene is a serious bacterial infection caused by the infection of the Clostridium perfringens bacteria. This bacteria is always present in the nature and is a rod-shaped, gram-positive bacteria, that belongs to the Clostridium genus.  

This disease can cause gas production in gangrene, death of the muscle tissues and also sepsis.

<u>Therefore, Gas gangrene is most associated with the bacteria Clostridium perfringens.</u>

5 0
3 years ago
Which of the following is true of retroviruses? (3 points)
Nikitich [7]

Answer:

Explanation:

A retrovirus is an RNA virus that is duplicated in a host cell using the reverse transcriptase enzyme to produce DNA from its RNA genome. The DNA is then incorporated into the host’s genome by an integrase enzyme. The virus thereafter replicates as part of the host cell’s DNA. Retroviruses are enveloped viruses that belong to the viral family Retroviridae. A special variant of retroviruses are endogenous retroviruses, which are integrated into the genome of the host and inherited across generations. Endogenous retroviruses are a type of transposon.

8 0
2 years ago
Glaucoma is a leading cause of blindness. Studies have linked a common form of glaucoma to three genes and more than 20 genetic
andrew11 [14]
It seems that you have missed the necessary options for this question, but anyway here is the answer. Glaucoma has been one of the leading causes of blindness and a common form has been linked to three genes and more that 20 genetic loci. So the statement that best describes glaucoma is that, <span>a polygenic trait that is influenced by the number of alleles present. Hope this answer helps.</span>
8 0
3 years ago
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