MCQ
Hybrid vigour is a possibility after:
- AClonal selection
- BSpecies differentiation
- CCrossing two plants
- DNone of the above
✓
Answer
- Crossing two plants
Explanation:
Increase in the level of production traits, due to crossing, is called as hybrid vigour, which is also known as 'heterosis'.
Increased heterozygosity is the major cause for hybrid vigour.It cannot be predicted.It is a 'trial and error' method.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Rising of dough is due to:
In which of the following disorder gynaecomastia symptom is seen in individuals?
What would be the percent growth or birth rate per individual per hour for the same population mentioned in the previous question (Question 37).
The recessive genes located on $X$-chromosome in humans are always
→The amount of living matter present in an ecosystem at a given time is called
The egg is fertilised by a sperm during test tube baby formation:
Which among the following has 23 chromosomes?
Study the given figure carefully and select the correct statements regarding this
→$I.$ It represents typical agarose gel electrophoresis which showing differential migration of $DNA$ fragments
$II.$ Lane $1$ contains undigested $DNA$ fragments
$III.$ Lanes $2$ to $4$ contains digested $DNA$ fragment
$IV.$ Smallest $DNA$ bands are present at ( $A$ ) position and largest $DNA$ bands are present at ( $B$ ) position
Consider the following
→1.Structural gene
2.Messenger $RNA$
3.Ribosomes
4.Transcription
5.Translation
Which of the following is the correct sequence for protein synthesis
In an ecosystem which of the following are important components