Module 4

Question 1

Synteny

Answer 1

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

Question 2

Genetic Linkage

Answer 2

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

Question 3

Recombinant Cells

Answer 3

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

Question 4

Genetic Mapping

Answer 4

Performed to determine linear order of linked genes along same chromosome

Question 5

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

Answer 5

further

Question 6

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

Answer 6

Linkage

Question 7

____ impacts frequency of recombination

Answer 7

Map distance between loci

Question 8

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

Question 9

Chi Square Analysis Steps

Answer 9

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)

Question 10

Positive Interference

Answer 10

Phenomenon of first crossover decreasing the probability of another