Multiple Choice
When a typical restriction enzyme cuts a DNA molecule, the cuts are staggered so that the DNA fragments have single-stranded ends. This is important in recombinant DNA work because __________.
18. Biotechnology
Introduction to DNA-Based Technology
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Single nucleotide polymorphisms (SNPs) __________.
A
are single base-pair variations in the genomes of the human population
B
are genetic markers used to study the genetic basis for disease
C
are small nucleotide differences among individuals located in coding and noncoding sequences in the genome
D
can be the molecular basis for different alleles
E
All of the listed responses are correct.
Verified step by step guidance1
Understand the definition of Single Nucleotide Polymorphisms (SNPs). SNPs are variations at a single position in a DNA sequence among individuals.
Recognize that SNPs can occur in both coding and noncoding regions of the genome, affecting gene function and regulation.
Identify SNPs as genetic markers, which are useful in studying the genetic basis of diseases and traits.
Acknowledge that SNPs can lead to different alleles, which are alternative forms of a gene that may result in different phenotypes.
Conclude that all the listed responses are correct, as they collectively describe the roles and characteristics of SNPs in the human genome.
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