17 - Inherited change

Question 1

why are the observed phenotypic ratios obtained in offsprings often not the same as the expected ratios? (5 points)

Answer 1

1. Small sample size
2. random fusion/fertilisation of gametes
3. Linked Genes (crossing over / sex linkage)
4. Epistasis
5. Lethal genotypes (???? ask a teacher)

Question 2

what does linked genes mean?

Answer 2

genes on the same chromosome