Based on Lyon’s hypothesis, what will be the number of Barr bodies found in a human female suffering from Down’s syndrome
Based on Lyon’s hypothesis, what will be the number of Barr bodies found in a human female suffering from Down’s syndrome
- [AIEEE 2004]
- A
$0$
- B
$1$
- C
$2$
- D
$3$
Similar Questions
The following diagram shows two chromosomes and the lettered number represents the genes
chromosome $1$ :
$P$
$Q$
$R$
$S$
$T$
$U$
$V$
$W$
chromosomes $2$ :
$E$
$F$
$G$
$H$
Which of the following would result if a translocation occurred between chromosome $1$ and $2 ?$
The following diagram shows two chromosomes and the lettered number represents the genes
chromosome $1$ :
| $P$ | $Q$ | $R$ | $S$ | $T$ | $U$ | $V$ |
$W$ |
chromosomes $2$ :
| $E$ | $F$ | $G$ | $H$ |
Which of the following would result if a translocation occurred between chromosome $1$ and $2 ?$
What is the unit of crossing over
What is the unit of crossing over
$A$ : Polyploids with odd number of chromosomes are propagated vegetatively.
$R$ : Seed formation is absent due to meiotic abnormality.
$A$ : Polyploids with odd number of chromosomes are propagated vegetatively.
$R$ : Seed formation is absent due to meiotic abnormality.
The barr body is observed in
The barr body is observed in
If mother and father both are without pigments $(albinism)$, then
If mother and father both are without pigments $(albinism)$, then