Download App

Inheritance and Variation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYInheritance and Variation1 Mark
MCQ
When two genes control a single character and have cumulative effect, the ratio is ……………….
  • A
    1 : 1 : 1 : 1
  • B
    1 : 4 : 6 : 4 : 1
  • C
    (1 : 2 : 1)
  • ✓
    1 : 6 : 15 : 20 : 15 : 6 : 1
✓

Answer

Correct option: D.
1 : 6 : 15 : 20 : 15 : 6 : 1
1 : 6 : 15 : 20 : 15 : 6 : 1

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Inheritance and Variation→Inheritance and Variation — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

Which of the following help in repairing of $\text{DNA}$?
→
$\text{DNA}$ polymerase is needed for:
→
There is no natural death in single celled organisms like Amoeba and bacteria because:
→
Heterostyly : Primula flowers : : Herkogamy: ?
→
The biggest constraint of plant breeding is :
→
Match between the following representing parts of the sperm and their functions and choose the correct option.
 
Col. $A$
 
Col. $B$
$a.$
Head
 $i.$
Enzymes
$b.$
Middle piece
 $ii.$
Sperm motility
$c.$
Acrosome
 $iii.$
Energy
$d.$
Tail
 $iv.$
Genetic material
Options:
→
……………….. technique is used for in vitro gene cloning or gene multiplication.
→
The weed Senecio jacobeac is controlled by ………………….
→
The phenomenon of using a predator for controlling a pest is:
→
Plants can be disease resistant by:
→