- Home
- Standard 12
- Biology
4.Principles of Inheritance and Variation
medium
There are three genes $a,\,b,\,c$. Percentage of crossing over between $a$ and $b$ is $20\%$, $b$ and $c$ is $28\%$ and $a$ and $c$ is $8\%$. What is the sequence of genes on chromosome ?
A
$b, \,a, \,c$
B
$a, \,b, \,c$
C
$a, \,c, \,b$
D
None of these
(AIIMS-2015)
Solution
$\frac{{b\,\underline {\,20\% } \,\,a\,\,\underline {8\% } \,\,c}}{{28\% }}$
Standard 12
Biology
Similar Questions
In a certain plant, red flowers $(R)$ are dominant to white flowers $(r)$ and tallness $(T)$ is dominant to dwarfness $(t)$. A heterozygous plant $(RrTt)$ is backcrossed with a double recessive plant $(rrtt)$. If the gene loci for colour and size and situated very close together on the same chromosome, the expected percentage of offsprings could be approximately
|
tall red |
tall white |
dwarf red |
dwarf white |
respectively
medium
