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Andrei [34K]
3 years ago
7

Compare and contrast provirus and retrovirus.

Biology
1 answer:
UNO [17]3 years ago
4 0
<span>Provirus - Is is a virus that has attached itself into the DNA of a host cell, while retrovirus is a virus that becomes a provirus. It usually happens when retrovirus invades a cell. According to study while the provirus is attached in to its host, it is not active.</span>
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Ovules from a pure-breeding green plant are fertilized with pollen from a pure-breeding yellow plant. All of the progeny are gre
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Answer:

D)

Explanation:

Color is determined by a sex-linked gene, X gene, so, in order to that, the gene is maternally inherited.   When one gene is related to the X chromosome, and one of the alleles is recesive and the other, logically dominant, the first generation will be of a single color, and the second generation will be of the other single color.  

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2 years ago
Which statement is the most appropriate conclusion for David to write?
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The first one according to the graph
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Scientists contend that humans and modern apes are related. What specifically does that mean?.
Lina20 [59]

Assuming that you followed the parentage of people and primates, you would sooner or later show up at a common precursor that was neither a cutting edge ape nor a human.

<h3>What makes humans different from other Apes?</h3>
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6 0
1 year ago
How many different offspring genotypes are expected in a trihybrid cross between parents heterozygous for all three traits when
aalyn [17]

Answer:

27 genotypes and 8 phenotypes

Explanation:

Supposing that the genotypes of both of the parents are AaBbDd (A, B and D are dominant over a, b and d).  After completing the Punnett square, you can predict the following offspring:

I add an image where you can see all the 27 genotypes and frequencies.

Finally, all the 8 phenotypes with the following frequencies:

27/64 A-B-D-

9/64   A-B-dd

9/64   A-bbD-

9/64   aaB-D-

3/64   A-bbdd

3/64   aaB-dd

3/64   aabbD-

<u>1/64    aabbdd </u>

Total 64/64

Note: when a phenotype is A-, it means that it came from either genotype, AA or Aa. The same applies to B- (BB or Bb) and D- (DD or Dd)

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2 years ago
Suppose you need to build a raft and what chemical physical properties will be needed
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Chemical properties? raft? 2 different realms my friend
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