Chemical basis of heredity is?
DNA
RNA
Histones
None
Related Questions
Genetic material in most of the organisms?
DNA
RNA
Both
None
Which of the following statements accurately describes a characteristic of homologous chromosomes?
They carry genes for the same traits at corresponding loci.
They are identical copies of each other.
They are always inherited from the same parent.
They are only present in somatic cells.
If two homologous chromosomes possess different alleles for eye color, what is the relationship between these chromosomes?
They are non-homologous chromosomes.
They are sister chromatids.
They are homologous chromosomes with different alleles for the eye color gene.
They are sex chromosomes.
Chemical basis of heredity is?
DNA
RNA
Histones
None
‘It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material’. This is written by
Meselson and Stahl
Archibold Garrod
Severo Ochoa
Watson and Crick
Which of the following is NOT a crucial characteristic for a molecule to serve as genetic material?
Stable
Replicable
Capable of expressing information
Readily degradable
All of the following are necessary characteristics of a molecule serving as genetic material EXCEPT its ability to:
Replicate accurately
Undergo mutations
Store information
Be transcribed or translated
A molecule suitable to be the carrier of genetic information should possess all these qualities EXCEPT:
Ability to replicate
Stable structure
Capacity to express information
High reactivity
Genetic material in most of the organisms?
DNA
RNA
Both
None
During which stage of meiosis do homologous chromosomes pair up?
Prophase II
Metaphase I
Anaphase I
Prophase I
