Exam Questions Flashcards
1
Q
Explain how sexual reproduction leads to genetic variation in offspring (6 marks)
A
-crossing over in P1
-contains paternal + maternal
-increases variation between non-sister chromatids
-independent assortment in M1
-increases genetic diversity
-random fertilisation
-produces genetically unique gametes
2
Q
Describe in words how phenotypic ratios might be different if 2 genes were autosomal linked
A
-higher proportion like parents
