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Ber [7]
3 years ago
11

Within any large animal population, there is _______ a variety of traits. And between different animal populations, there is ___

____ a variety of traits.
A. always; always

B. never; always

C. never; sometimes

D. sometimes; sometimes
Biology
1 answer:
Dvinal [7]3 years ago
3 0

Its not option D yall he lying, its always; always

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Phosphorus is required to synthesize the deoxyribonucleoside triphosphates used in DNA replication. A geneticist grows some E. c
Harlamova29_29 [7]

Answer:

<h2> After one round: one strand of DNA  will contain radioactive 3232P, while the other strand  will not contain any radioactive phosphate. </h2><h2> After two rounds:  here 50%  of DNA will have 3232P in both strands, while 50% will contain 3232P in one strand and nonradioactive in the other strand. </h2>

 

Explanation:

1. In the initial sample which is immediately removed after addition of radioactive isotope of phosphorus ( 3232P), hence there is  no incorporation of 3232P into the DNA because replication in the medium containing 3232P has not yet occurred.  

2. After one round of replication in  radioactive isotope of phosphorus ( 3232P) containing  medium, here  only one newly synthesized strand of DNA molecule will contain 3232P, while the other strand  will not contain any  radioactive isotope of phosphorus ( 3232P),  because DNA replication occurs in semi-conservative way.

3. After two rounds of replication in medium which contains radioactive isotope of phosphorus ( 3232P), here 50% of the DNA molecules will have  radioactive isotope 3232P in both strands, while the rest 50% will contain 3232P in only one strand and nonradioactive phosphorous in the other strand.

4 0
3 years ago
The hypothesis that all species are descended from common ancestors was proposed by
MrRissso [65]
The answer is Charles Darwin. He was the first to theorize evolution from a common ancestor.
6 0
3 years ago
Guinea pig coat color is determined by a single gene. The allele for black coat color is dominant to brown. In a cross between t
Gwar [14]

Answer:

In a cross between two black-haired guinea pigs, 20 offspring are born. If both parents were heterozygous, probability would predict that approximately 1 out of 20 offspring would have brown hair

Explanation:

The two parents crossed were heterozygous dominant black coat color, after crossing 75% gives dominant black color coat while 25% gives only brown coat color homozygous

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Should the Indominus Rex have been created? Why or why not?
ladessa [460]

Answer:

aa

Explanation:

i don't no the answer

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What is the best website to learn about pandas and their evolution
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Are their answer choices specifying because there are many answers to this question


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