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kherson [118]
3 years ago
14

what do biologists study changes in amino acid sequence when trying to determine causes of genetic variation?

Biology
1 answer:
baherus [9]3 years ago
3 0

Answer:

reason for studying human genetics is that it gives us a powerful tool for understanding and describing human evolution. At one time, data from physical anthropology (including information about skin color, body build, and facial traits) were the only source of information available to scholars interested in tracing human evolutionary history. Today, however, researchers have a wealth of genetic data, including molecular data, to call upon in their work.

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Kangaroos that nurse their young in a pouch are what type of mammal?
gogolik [260]

Answer:

Marsupials

Explanation:

Marsupials, or pouched mammals, are a group of animals that includes kangaroos and koalas. ... Most marsupial babies crawl into a pouch on their mother's belly.

7 0
3 years ago
Why did the f1 offspring of mendel's classic pea plant crosses always look like one of the two parental varieties?
stiv31 [10]
The F1 offspring of Mendel's classic pea plant crosses always looked like one of the two parental varieties because he crossed a homozygous dominant plant with a homozygous recessive plant so each plant received one recessive allele and one dominant allele. All of the plants looked like one plant because the dominant allele overshadowed the recessive allele
5 0
2 years ago
Plants were grown in two different conditions. The plants on the left were grown with all essential nutrients required for plant
beks73 [17]

Answer:

The plants growing on the left will be able to synthesize more required molecules in a better way as compared to the plants on the right.

As plants, on the left, will be receiving all the essential nutrients that is required for functioning properly hence, the will be bale to synthesize all the complex molecules required for growth and surviving.

On the other hand, plants on the right side, will not be able to grow properly as they will not have the required amount of nutrition.

4 0
2 years ago
To trace our maternal lineage, we observe mutations that have accumulated in our mitochondrial dna (mtdna). in the dna isolation
Sergio [31]
In the coding region, natural selection tends to eliminate all of the mutations because of the high importance these regions have. The coding region contains genes that synthesize proteins and the changes in the DNA sequence can have devastating effects on the cell. Therefore, there are very few differences in the sequences of coding regions that can help us trace the lineage.
On the other hand, in the non-coding regions, the mutations often accumulate because they have little effect on the cell and the adaptive value of the organism. This enables us to trace up the lineage by comparing the sequences and seeing the differences in the sequences. 
4 0
3 years ago
What is the ‘structural formula’ of carbon dioxide ? <br> BRAINLIEST ANSWER !!
STALIN [3.7K]

CO2 I am pretty sure

4 0
2 years ago
Read 2 more answers
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