If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are cha

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4.Principles of Inheritance and Variation

medium

If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

$50\%$

$25\%$

$100\%$

no chance

(AIIMS-2014)

Standard 12

Biology

medium

(NEET-2022)

medium

medium

medium

(AIPMT-2000)

medium

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