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Rina8888 [55]
3 years ago
6

Which of the following contain genetic code made of RNA as well as the reverse transcriptase enzyme?

Biology
1 answer:
Lilit [14]3 years ago
5 0

Answer:

D: retroviruses

Explanation:

Retroviruses made up of RNA genetic code which is embedded within a protein shell and enclosed by a lipid layer.  The genetic material of retroviruses also encode an enzyme called as reverse transcription whose catalytic function to transcribe the  retrovirus RNA in to DNA.

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In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

5 0
3 years ago
In bones, a layer of osteoblasts and osteoclasts line the interior of the bone (this cellular layer covers all trabeculae, is ad
Westkost [7]

Answer:

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I really need help please
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Answer:

There should probably be some proof in the information above, but the mass would be lost through excretion, respiration, sweating,  and movement

Explanation:

6 0
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