Multiple Choice
Which genetic elements would be most useful for determining the ancestry of an individual?
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3. Extensions to Mendelian Inheritance
Overview of interacting Genes
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Which description best defines a haplotype?
A
A group of alleles at adjacent loci on a chromosome that are inherited together
B
The total set of genes present in an organism
C
A single gene that determines a specific trait
D
A mutation that results in a loss of gene function
Verified step by step guidance1
Understand that a haplotype refers to a specific combination of genetic variants or alleles that are located close to each other on the same chromosome.
Recognize that these alleles are inherited together as a block because they are physically linked and less likely to be separated by recombination during meiosis.
Differentiate a haplotype from other genetic terms: it is not the entire set of genes in an organism (which is the genome), nor is it a single gene or a mutation.
Recall that the key feature of a haplotype is the group of alleles at adjacent loci, meaning neighboring positions on the chromosome, that tend to be passed down together.
Conclude that the best description of a haplotype is 'a group of alleles at adjacent loci on a chromosome that are inherited together.'
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