Which of the following occurs due to the presence of autosome linked dominant trait?

  • [NEET 2022]
  • A

    Myotonic dystrophy

  • B

    Haemophilia

  • C

    Thalessemia

  • D

    Sickle cell anaemia

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Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be

Which one of the following is a genetically transmitted character

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?

  • [AIPMT 2009]