Milk secretion and beard growth,both the trai | vedclass

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(A) Milk secretion and beard growth are examples of sex-limited traits.Sex-limited traits are autosomal traits that are expressed in only one sex,even

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Sex limited

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(A) Milk secretion and beard growth are examples of sex-limited traits.Sex-limited traits are autosomal traits that are expressed in only one sex,even though the genes for these traits are present in both sexes. Their expression is regulated by sex hormones.$(i)$ Milk secretion is a trait limited to mammalian females because it requires the presence of female sex hormones.(ii) Beard growth is a trait limited to males because it is stimulated by the presence of male sex hormones (androgens).Since these traits are controlled by autosomal genes but their expression is restricted to a specific sex due to hormonal influence,they are classified as sex-limited traits.

List-$I$	List-$II$
$(A)$ Two or more alternative forms of a gene	$(I)$ Back cross
$(B)$ Cross of $F_1$ progeny with homozygous recessive parent	$(II)$ Ploidy
$(C)$ Cross of $F_1$ progeny with any of the parents	$(III)$ Allele
$(D)$ Number of chromosome sets in plant	$(IV)$ Test cross

Milk secretion and beard growth,both the traits are

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