Heterozygous organism for two genes shall be _________.

RRYY

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RrYY

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RrYy

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RRYy

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Solution

The correct option is C RrYy
In a heterozygous organisms, both alleles are contrasting or opposite with one another. eg: RrYy.

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Similar questions

	I		II
(a)	Dominance	(i)	Many genes govern a single character
(b)	Codominance	(ii)	In a heterozygous organism only one allele expresses itself
(c)	Pleiotropy	(iii)	In a heterozygous organism both alleles express themselves fully
(d)	Polygenic inheritance	(iv)	A single gene influences many characters.

	Column I		Column II
(1)	Dominance	(i)	Many genes govern a single character
(2)	Codominance	(ii)	In a heterozygous organism only one allele expresses itself
(3)	Pleiotropy	(iii)	In a heterozygous organism both alleles express themselves fully
(4)	Polygenic inheritence	(iv)	A single genes influences many characters

Column I	Column II
(a) Dominance	(i) Many genes govern a single character
(b) Codominance	(ii) In a heterozygous organism only one allele expresses itself
(c) Pleiotropy	(iii) In a heterozygous organism both alleles expresses themselves fully
(d) Polygenic inheritance	(iv) A single gene influences many characters

	Column I		Column II
(1)	Dominance	(i)	Many genes govern a single character
(2)	Codominance	(ii)	In a heterozygous organism only one allele expresses itself
(3)	Pleiotropy	(iii)	In a heterozygous organism both alleles express themselves fully
(4)	Polygenic inheritence	(iv)	A single genes influences many characters

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