Skip to main content

QB: Genetics- Chapter 4

Chapter 4: Chromosomes
2 marks:
1.     What is chromosome?
2.     Mention different types of chromosomes based on position of centromere.
3.     What is euchromatin?
4.     What is heterochromatin?
5.     What are autosomes and heterosomes?
6.     Explain the term Deletion.
7.     Explain the term Duplication.
8.     Explain the term inversion.
9.     Explain the term Translocation.
10.                        What are the types of inversion?
11.                        What are the types of translocation?
4 marks:
1.     Explain different types of chromosomes based on position of centromere (diagram expected).
2.     Explain chromosomal aberration deletion.
3.     Explain chromosomal aberration duplication.
4.     Explain chromosomal aberration inversion.
5.     Explain chromosomal aberration translocation.
8 marks:
1.     Describe the structure of chromosome.
2.     Describe the types of structural aberrations. (explain all four aberrations in short)
16 marks:

1.     Describe the types of structural aberrations. (explain all four aberrations in detail)
Labels:

Comments

Post a Comment

Popular posts from this blog

Parthenogenesis When development of organism takes place without fertilization, the process is called as parthenogenesis. Parthenogenesis is of two types viz. 1.       Natural 2.       Artificial Natural parthenogenesis: ·          Eggs that develop without fertilization naturally, the process is called as natural parthenogenesis. ·          It is commonly seen in Aphids, Phyllopods and Rotifers at sometimes of the years not always ·          Whereas in case of bees and wasps males are always produced from unfertilized egg. Thus, males are always haploid and females are diploid because females are produced from fertilized egg. ·          In some species such as Tenthredinidae, reproduction is alays parthenogenetically and males of this species are not known. ...
Post a Comment
Read more

Starfish: External Characteristics

STARFISH SYSTEMATIC POSITION Kingdom: Animalia    Phylum: Echinodermata       Class: Asteroidae          Order: Forcipulata             Family: Asteriidae               Genus:   Asterias                  Species:   rubens HABIT & HABITAT: 1.        Asterias is exclusively marine in nature 2.        It is mostly found on sea costs and in shore waters 3.        It generally prefers rocky areas where locomotion and concealment is easier 4.        It is bottom dwelling benthoic organism 5.        It clings to submerged objects by firmly attaching to them. 6...
Post a Comment
Read more