Molecular Basis of Inheritance
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____ is the genetic material
DNA
_____ work together in DNA replication and repair
many proteins
what does a chromosome consist of
a DNA molecule packed together with proteins
the molecule of inheritance
DNA
what is the most celebrated molecule of our time
DNA
what is hereditary information coded by
DNA
hereditary information is reproduced in
all cells of the body
what does the DNA program direct the development of
biochemical, anatomical physicological and behavioral trait s
who introduced the double-helical model of DNA
James Watson and Francis Crick
when is DNA copied
during DNA replication
can cells repair their DNA
YES
T H Morgan’s group showed that
genes are located on chromosomes
what became candidates for genetic material
proteins and DNA
a key factor for determining genetic material was
choosing appropriate experimental organisms
how was the role of DNA in heredity first discovered
studying bacteria and viruses
can a genetic trait be transferred between different bacterial strains
YES
transformation
change in genotype and phenotype due to assimilation of foreign DNA
only____ worked in transforming harmless bacteria into pathogenic bacteria
DNA
bacteriophages
viruses that target bacteria
what is a virus
DNA that is enclosed by a protective coat
what is the protective coat of a virus mostly made from
proteins
can viruses be RNA
YES
does a protein enter a phage
NO
does DNA enter a phage
YES