Which of the following occurs due to the presence of autosome linked dominant trait?
Myotonic dystrophy
Haemophilia
Thalessemia
Sickle cell anaemia
Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be
Most studies on human genetics have been made through
: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 |
Study the pedigree chart given below. What does it show?