TLS Online TPP Program

#Question id: 26817


There is deletion in the heterozygous condition of the gene on to the recessive allele, if it is the case of complete dominance then, which type of differences takes place within the function of gene as compare to the wild type gene ?

#Unit 8. Inheritance Biology
  1. No differences takes place
  2.  Produces imbalances in the amount of gene product
  3. Some differences takes place in the phenotype
  4. Causing lethality
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TLS Online TPP Program

#Question id: 23279

#Unit 13. Methods in Biology

What will be the value of D if sin angle is 90o and oil immersion is used at λ=700?

TLS Online TPP Program

#Question id: 23285

#Unit 8. Inheritance Biology

Chromosome are classified into four basic term, 

 

          Chromosome      

 

 

A) Metacentric chromosome

 

i) centromeres present at the end of the chromosome

 

B) Submetacentric chromosome

 

ii) chromomere near the end of the chromosomes

 

C) Acrocentric chromosome

 

iii) Centromere in the middle of the chromosome and divides the chromosome into two equal arms.

 

D) Telocentric chromosome

 

iv) The centromere is present near the middle and divides the chromosome into two unequal arms

TLS Online TPP Program

#Question id: 23286

#Unit 8. Inheritance Biology

Individual chromosomes may lose or gain parts and the order of genes within a chromosome may become altered. These variations in the number and structure of chromosomes are termed as

TLS Online TPP Program

#Question id: 23287

#Unit 8. Inheritance Biology

Chromosome mutations can be grouped into three basic categories:
I) Chromosome rearrangements
II) Aneuploidy
III) Polyploidy
these mutation alters the number and structure of chromosomes such as,
 a) One or more individual chromosomes are added or deleted
b) The loss of a chromosomal segment
c) A piece of a chromosome might be duplicated, deleted, or inverted
d) One or more complete sets of chromosomes are added
e) In which one or more copies of a DNA segment is produced
Find out the correct pairing of chromosomal mutations,

TLS Online TPP Program

#Question id: 23288

#Unit 8. Inheritance Biology

The staining of chromosomes with a special dye called Giemsa reveals G bands, which distinguish

TLS Online TPP Program

#Question id: 23289

#Unit 8. Inheritance Biology

Preparation and staining techniques help to distinguish among chromosomes of similar size and shape, this staining techniques also distinguish the banding pattern of the chromosome at which stage of cell cycle?