In Mendel's monohybrid cross (Tt × Tt), the phenotypic ratio of Tall to Dwarf is:
A1 : 1
B1 : 2 : 1
C3 : 1
D9 : 3 : 3 : 1
Question 2
Mendel's Law of Segregation states that:
ATwo dominant traits can blend together in offspring
BAlleles separate during gamete formation; each gamete has one allele per trait
CGenes for different traits always travel together
DAll offspring of two purebred parents are hybrid
Question 3
The double helix model of DNA was proposed by:
AMendel and Darwin
BWatson and Crick (1953)
CPasteur and Koch
DSchleiden and Schwann
🔒
Unlock the Full Quiz
Get all 20 questions with answer options, instant scoring, and detailed explanations for every question — plus full access to all chapters, PDFs, and mock tests.