Module 4 Flashcards

1
Q

Synteny

A

Two or more genes located on the same chromosome and are physically linked

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2
Q

Genetic Linkage

A

Genes close together on a chromosome tend to be transmitted as a unit, which influences inheritance patterns

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3
Q

Recombinant Cells

A

Haploid cells containing a unique combination of alleles not found in original parent chromosomes

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4
Q

Genetic Mapping

A

Performed to determine linear order of linked genes along same chromosome

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5
Q

The ____ two loci are from one another, the greater the chance crossover will occur

A

further

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6
Q

____ skews two factor crosses (instead of 9:3:3:1 ratio, 15.6:1:1.4:4.5 ratio observed, with most being heterozygous)

A

Linkage

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7
Q

____ impacts frequency of recombination

A

Map distance between loci

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8
Q

In triple cross, non-recombinant individuals have 2 dominant or 2 recessive traits, recombinant have one dominant and one recessive trait

A
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9
Q

Chi Square Analysis Steps

A
  1. Propose null hypothesis
  2. Calculate expected
  3. Apply chi square formula
  4. Interpret calculated chi square value to determine if two genes are linked (higher value = more likely)
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10
Q

Positive Interference

A

Phenomenon of first crossover decreasing the probability of another

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