Crossing over is
Crossing over is
- A
Inversely related to linkage
- B
Directly related to linkage
- C
Similar in meaning to linkage
- D
None
Similar Questions
The four daughter cells derived from a single meiosis differ from each other due to
The four daughter cells derived from a single meiosis differ from each other due to
The word 'crossing over' is given by
The word 'crossing over' is given by
Morgan hybridised yellow-bodied, white-eyed females to brown-bodied, red-eyed males and intercrossed their $F_{1}$ progeny. He observed that
$(a)$ $F_{2}$ ratio was deviated very significantly from the $9 : 3 : 3 : 1$ ratio
$(b)$ Both genes did not segregate independently of each other
$(c)$ Recombinant types are not obtained in $F_{2}$ generation
$(d)$ Both genes segregate independently of each other
Select the correct set of statements :
Morgan hybridised yellow-bodied, white-eyed females to brown-bodied, red-eyed males and intercrossed their $F_{1}$ progeny. He observed that
$(a)$ $F_{2}$ ratio was deviated very significantly from the $9 : 3 : 3 : 1$ ratio
$(b)$ Both genes did not segregate independently of each other
$(c)$ Recombinant types are not obtained in $F_{2}$ generation
$(d)$ Both genes segregate independently of each other
Select the correct set of statements :
Frequency of crossing over in a chromosome is an index of
Frequency of crossing over in a chromosome is an index of
Who used the frequency of recombination ?
Who used the frequency of recombination ?