Advertisements
Advertisements
प्रश्न
Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
उत्तर
Species used in sericulture is Bombyx Mori - it produces mulberry silk.
Various stages in life cycle of silk moth in cyclic form are
APPEARS IN
संबंधित प्रश्न
What are the chromosomes XY and XX known as?
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
The exchange of genetic material takes place in :
(a) vegetative reproduction
(b) asexual reproduction
(c) sexual reproduction
(d) budding
The number of pair(s) of sex chromosomes in the zygote of humans is :
(a) one
(b) two
(c) three
(d) four
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
In XO type of sex determination ______.
Which of the following combination of chromosome numbers represents the correct sex determination pattern in honey bees?
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
Which pair of sex chromosome will determine a male?
The sex chromosome in a human ovum is ______.
