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Korolek [52]
3 years ago
6

What is a fossil? Give the best definition.

Biology
2 answers:
Ugo [173]3 years ago
7 0

Answer:

B

Explanation:

Fossils are ancient sometimes hidden treasures... remains of deceased beings or things that decayed over a period of time.

aivan3 [116]3 years ago
5 0
D is the correct answer
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If you had a black male guinea pig and brown female guinea pig, but you didn't know which was the dominant characteristic, how w
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Options for the question are not given. They are as follows :

A.  Mate them and see what color the offspring are—that will be the dominant color

B.  Mate them and see what color the offspring are—the other will be the dominant color

C.  Mate them, and then mate their offspring to see what color the next generation is

D.  Mate them together, and then mate their offspring to see what color the next generation is—the other color will be the dominant color

Answer:

A.  Mate them and see what color the offspring are—that will be the dominant color

Explanation:

Out of the two colors, one will be recessive and one will be dominant. Recessive color will be homozygous since it is only expressed in homozygous condition. It is also given that in this cross the dominant color is also in homozygous condition.

When the guinea pigs mate, the resulting progeny will obtain one dominant allele from the dominant color parent and one recessive allele from the recessive color parent. The progeny will be heterozygous and show the dominant phenotype since the dominant allele will mask the recessive allele. Thus, the color which is visible in their offspring will be the dominant color.

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3 years ago
According to advocates for the use of genetic engineering, which is an example of the importance of recombinant DNA technology?
Anastasy [175]
Recombinant DNA or rDNA is the general term given to the process of taking a piece of a DNA and merging it with another strand of DNA. The combination of two or more different strands of DNA allows scientists to be able to produce a new and different strand of DNA. Combination of the DNAs of two different organisms is one of themost common recombinant process. The combination of these strands of DNA will give way to the creation of the cure of a lot of genetic diseases in the future like cell anemia, cystic fibrosis and the likes.

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This type of asexual reproduction is called apomixis. 
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What is the voltage across a membrane called?
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