9 : 3 : 3 : 1 ratio is modified to 9 : 7 ratio due to

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4.Principles of Inheritance and Variation

normal

$9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to

Complementry gene

Epistatic gene

Hypostatic gene

Supplementry gene

(AIPMT-2001)

Solution

(a) The complementary genes are two pairs of non allelic genes which interact to produce only one phenotypic trait, but neither of them if present alone produces the phenotypic trait in the absence of other.

Standard 12

Biology

Heterozygous round and yellow seeded pea plants were selfed and total $800$ seeds are collected. What is the total number of seeds with first dominant and second recessive traits?

normal

Number of Barr bodies in $XXXXY$ is

normal

The average ratio of male to female individuals based on $XX$ and $XY$ type of sex determination, in total world of human population is

normal

A man who carries a sex linked gene on his $Y$ chromosome will transmit this gene to

normal

Genes for cytoplasmic male sterility in plants are generally located in

normal

(AIPMT-2005)

$9 : 3 : 3 : 1$ ratio is modified to $9 : 7$ ratio due to

Solution

Similar Questions

Heterozygous round and yellow seeded pea plants were selfed and total $800$ seeds are collected. What is the total number of seeds with first dominant and second recessive traits?

Number of Barr bodies in $XXXXY$ is

The average ratio of male to female individuals based on $XX$ and $XY$ type of sex determination, in total world of human population is

A man who carries a sex linked gene on his $Y$ chromosome will transmit this gene to

Genes for cytoplasmic male sterility in plants are generally located in

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