A fruit fly is heterozygous for sex-linked genes when meted with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion
A fruit fly is heterozygous for sex-linked genes when meted with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion
- [AIPMT 1997]
- A
$1:1$
- B
$2:1$
- C
$3:1$
- D
$7:1$
Similar Questions
In Drosophila, the allele for a normal grey body colour $G$ is dominant to ebony body $g.$ The following table summarises the results of several crosses
S.No
Cross
Result
$I.$
Strain $1 \times$ gg
All wild type
$II.$
Strain $2 \times$ gg
$1$ wild type $:\;1$ ebony
$III.$
Strain $3 \times$ gg
All ebony
$IV.$
Strain $4 \times$ Gg
$3$ wild type $:\,1$ ebony
Which strains both have the genotype Gg?
In Drosophila, the allele for a normal grey body colour $G$ is dominant to ebony body $g.$ The following table summarises the results of several crosses
| S.No | Cross | Result |
| $I.$ | Strain $1 \times$ gg | All wild type |
| $II.$ | Strain $2 \times$ gg |
$1$ wild type $:\;1$ ebony |
| $III.$ | Strain $3 \times$ gg | All ebony |
| $IV.$ | Strain $4 \times$ Gg |
$3$ wild type $:\,1$ ebony |
Which strains both have the genotype Gg?
If in a child of $10$ years ages of the intelligence is of $14$ years child, the $I.Q.$ of this child would be
If in a child of $10$ years ages of the intelligence is of $14$ years child, the $I.Q.$ of this child would be
It is a mutagen.
It is a mutagen.
In which of the following disorder a single protein that is a part of the cascade of proteins involved in blood clotting is affected?
In which of the following disorder a single protein that is a part of the cascade of proteins involved in blood clotting is affected?
Epistasis implies
Epistasis implies
- [AIIMS 1985]