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Verizon [17]
2 years ago
13

To find a gene, you have to associate a phenotype with a genotype (e.g. all individuals with white flowers have a certain allele

). it is much harder to find genes that are involved in polygenic traits than it is to find the genes responsible for discrete traits. why? it's much more difficult to determine the dna sequence of alleles associated with polygenic traits. the alleles associated with polygenic traits are usually co-dominant. polygenic traits results from extensive gene by gene interactions, which makes finding individual genes difficult. it's harder to find one of the many genes involved in a polygenic trait vs. the only gene involved in a discrete trait..
Biology
1 answer:
irga5000 [103]2 years ago
5 0
It's harder to find one of the many genes involved in a polygenic trait vs the only gene involved in a discrete trait.
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Excellent question! Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. The seismic waves are bent, sped up, or slowed down, or even reflected when they pass through the earth's layers. Different types of materials (liquid vs. solid, rigid vs. softer) determine the speed of the waves. Bending of the waves occurs at the layer's boundaries. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.



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Read 2 more answers
TRNA molecules bring a specific ________________ to the ribosome, according to the ______________. *
Veronika [31]

Answer:

tRNA molecules bring a specific <u>amino acid</u> to the ribosome, according to the <u>mRNA codon</u>.

Explanation:

In the context of protein synthesis, an mRNA molecule contains the specific codons that encode the amino acids that will be part of the protein. The tRNA is in charge of bringing the amino acids to the ribosome, according to the specific information of the mRNA codons.

The function of tRNA depends on the complementarity that exists between the mRNA codon and the anti-codon tRNA, in such a way that :

  • <em>The pattern in the amino acid sequence of a protein is indicated by mRNA </em>
  • <em>tRNA has a complementary anticodon, so it will only bring the specific amino acid that the codon encodes.</em>

In general terms, each mRNA molecule possesses the genetic code that indicates the amino acid sequence of a protein, and tRNA helps bring those amino acids to the ribosome for synthesis to occur.

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