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Trisomy X and Other Conditions

Describe the ...

Question

Describe the traits governed by multiple genes multiple alleles?Is their any differences in their pattern of inheritance?Explain

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Solution

Multiple alleles is the presence of more than two alleles of a gene. eye color in Drosophila, blood group in humans are controlled by multiple alleles. These multiple alleles may show dominant-recessive relationship or codominance.

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Q. When one gene influences multiple unrelated phenotypic traits, then it is known as:

Q. Choose the correct answer from the alternatives given.
Match column I with column II and select the correct option from the given codes.

	Column I		Column II
A.	A single trait controlled by three or more than three alleles	(i)	Pleiotropy
B.	A single trait controlled by three or more than three genes	(ii)	Multiple alleles
C.	A single gene exhibits multiple phenotypic expression	(iii)	Polygenic inheritance

Q. Read the following statement:
(a) Multiple allele are easily found in a diploid organism.
(b) Multiple allele are found in population level.
(c) In multiple allele, the locus of gene is same.
(d) In multiple allele, the locus of gene is different.
How many statements is/are correct?

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Trisomy X and Other Conditions

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