GCE Agricultural Science 1990 Question 28

Question 28

Basic Genetics

Study the diagram (a cross between homozygous tall pea and homozygous dwarf pea, rows labelled I, II and III). The diagram explains the Mendel's law of

A.segregation
B.independent assortment
C.chromosomal mutation
D.homozygosity
E.heterozygosity.

Show the answer and explanation

Answer: A (segregation)

Explanation

A one-character (monohybrid) cross showing alleles separating into gametes illustrates the law of segregation.