BLG1501 Assignment 2 (QUALITY ANSWERS) Semester 1 2026

BLG1501
Assignment 2 Semester 1 2026

Unique number:

Due Date: 20 April 2026



This document includes:

 Helpful answers and guidelines
 Detailed explanations and/ or calculations
 References




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, QUESTION 1

F1 Generation – First Cross (PP × pp)

Parents:

Purple (homozygous dominant) = PP

White (homozygous recessive)= pp

Gametes:

PP produces only P gametes.

pp produces only p gametes.

Punnett Square (F1 Generation):

P P

p Pp Pp

p Pp Pp

F1 Genotype = All offspring are Pp (heterozygous).

F1 Phenotype = All offspring have purple flowers (since P is dominant).




F2 Generation – Second Cross (Pp × Pp)

We now cross two heterozygous purple-flowered plants (Pp × Pp).

Punnett Square (F2 Generation):

P p

P PP Pp

p Pp pp



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