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As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. In Peru, the Indians once grew 500 varieties of potatoes but now only 20.
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
Humans use ________ to pass on desired phenotypic traits to the next generation of organisms.
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
Place the components in order, from smallest to largest. Chromosome DNA nucleotide Codon Gene
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
Suppose farmers want to create a new form of potato that is more nutritious than the kind sold in stores today. These farmers would MOST LIKELY choose
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
Many farmers now grow insect-resistant varieties of cotton. The gene for the favorable trait, in this case, insect resistance, is transferred to the cotton's DNA using
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
In the near future gene therapy may provide cures for genetic disorders such as severe combined immunodeficiency or cystic fibrosis. In this case, scientists are using __________ to deliver good genes, or genes to halt a disorder, to the cells of a p
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
What is true about any two normal gametes from a human female parent?
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
Scientists typically transgenically alter ________ to produce more desirable species.
DNA nucleotide, Codon, Gene, Chromosome,
This is dangerous because it makes the overall crop more susceptible to pests or disease.
two nutritious species of potatoes to breed.
They have the same number of chromosomes
selective breeding
plants
bacterial plasmids.
viruses
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