#Question id: 5430
#Unit 8. Inheritance Biology
A plant height in Maize is control by 3 pair of polygene .Two varieties of maize averaging 120 and 60 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 40 inches in height. What is proportional of F2 progeny that is display phenotype either 120 cm or 60 cm height?
#Question id: 10743
#Unit 10. Ecological Principles
Darlington proposed that
#Question id: 11413
#Unit 10. Ecological Principles
Which of the following is NOT an attribute of a species that makes it vulnerable to extinction?
#Question id: 4880
#Unit 8. Inheritance Biology
There is following normal gene and their restriction site are given
Mutant phenotype due to mutation that alters EcoRI site 1 occurs in this piece of DNA. There is following analysis of different band in their family (+ present , - absent)
Visible band |
Male Parents I |
Female Parents II |
Son ( affected ) |
Daughter ( normal) |
2 Kb |
+ |
+ |
- |
+ |
4 Kb |
+ |
+ |
- |
+ |
5 Kb |
+ |
+ |
+ |
+ |
6 Kb |
- |
+ |
+ |
+ |
Which of the following is mode of inheritance of trait?
#Question id: 11846
#Unit 6. System Physiology – Plant
In maize orange pericarp (orp) mutant is