Lecture 6: Linkage, Recombination, and Eukaryotic Gene Mapping

Flashcards covering key concepts from the lecture on linkage, recombination, and gene mapping.

Alfred Sturtevant developed the first genetic map of __.

the X chromosome of Drosophila melanogaster.

Recombination is the sorting of __ into new combinations.

alleles.

Mendel recognized the __ of traits.

independent assortment

Parental generation phenotypes occurred more frequently than expected in the __ generation.

F2

Crossing over takes place in __ and is responsible for recombination.

meiosis

A single crossover produces half __ and half recombinant gametes.

nonrecombinant

If genes are completely linked, only __ progeny are produced.

nonrecombinant

The frequency of __ can be determined from the phenotypes from the testcross.

recombination

If the recombination frequency between two genes in cucumbers is __, how can we predict the outcomes?

16%.

A chi-square test of independence can be used to determine if genes at two loci are __ independently.

assorting

Genes that are linked segregate with a frequency roughly dependent upon their __ from each other.

distance

A two-strand double crossover between two linked genes produces only __ gametes.

nonrecombinant