Sickle cell-anaemia disorder arises due to
Duplication of a segment of $DNA$
Substitution in a single base of $DNA$
Deletion of a segment of $DNA$
Duplication in a base pair of $RNA$
Which one of the following symbols and its representation, used in human pedigree analysis is correct?
In pedigree analysis, symbol given for sex unspecified is
:Match the columns :
Column $I$ |
Column $II$ |
$(1)$ Albinism | $(p)$ recessive gene represented by HbsHbs. |
$(2)$ Phenyl Ketonuria |
$(q)$ recessive gene represented by cc. |
$(3)$ Sickle cell anaemia |
$(r)$ recessive gene represented by aa. |
$4)$ Alkaptonuria | $(s)$ recessive gene represented by pp |
If a colour blind woman marries a normal visioned man, their sons will be