In a sickle cell anaemia glutamic acid is replaced by valine, which the following codes for glutamic acid ?
$GAA$
$AGA$
$GAG$
$GUG$
Study the pedigree chart given below. What does it show?
Choose correct option.
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
Represented below is the inheritance pattern of a certain type of trait in humans. Which one of the following conditions could be an example of this pattern?
If a colour blind woman marries a normal visioned man, their sons will be
Which one of the following symbols represents mating between relatives in human pedigree analysis?