All genes located on the same chromosome
form different groups depending upon their relative distance
form one linkage group
will not from any linkage group
form interactive groups that affect the phenotype
Conditions of a karyotype $2 n \pm 1$ and $2 n \pm 2$ are called
aneuploidy
polyploidy
allopolyploidy
monosomy
Distance between the genes and percentage of recombination shows
a direct relationship
an inverse relationship
a parallel relationship
no relationship
If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is
autosomal dominant
autosomal recessive
sex-linked dominant
sex-linked recessive
In sickle-cell anaemia glutamic acid is replaced by valine. Which one of the following triplet codes for valine?
G G G
A A G
G A A
G U G