Which of the following are the main categorie | vedclass

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(C) Genetic disorders are broadly grouped into two categories: $1$. Mendelian disorders: These are primarily determined by alteration or mutation in t

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Both $A$ and $B$

Vedclass · Answer

(C) Genetic disorders are broadly grouped into two categories: $1$. Mendelian disorders: These are primarily determined by alteration or mutation in the single gene. Examples include Hemophilia,Cystic fibrosis,Sickle-cell anemia,etc. $2$. Chromosomal disorders: These are caused due to absence or excess or abnormal arrangement of one or more chromosomes. Examples include Down's syndrome,Klinefelter's syndrome,and Turner's syndrome. Therefore,both $A$ and $B$ are correct categories.

Column-$I$	Column-$II$
$(w)$ Blood group	$(a)$ Polygenic inheritance
$(x)$ Skin colour	$(b)$ Aneuploidy
$(y)$ Mendelian disorder	$(c)$ Incomplete dominance
$(z)$ Chromosomal disorder	$(d)$ Sickle-cell anaemia
	$(e)$ Co-dominance

Which of the following are the main categories of genetic disorders?

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The offspring from a cross between two individuals differing in at least one set of characters is called

Match the following columns.

Column-$I$ Column-$II$

$(w)$ Blood group $(a)$ Polygenic inheritance

$(x)$ Skin colour $(b)$ Aneuploidy

$(y)$ Mendelian disorder $(c)$ Incomplete dominance

$(z)$ Chromosomal disorder $(d)$ Sickle-cell anaemia

$(e)$ Co-dominance

Which of the following statements is correct?

Which one of the following pairs is an example of intergenic interaction?

In a cross between genotypes showing recessive epistasis,the $F_2$ phenotypic ratio will be .....

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