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Table 4 Association between MC1R genotype and black pigmentation in an F2 population

From: The MC1R gene in the guppy (Poecilia reticulata): Genotypic and phenotypic polymorphisms

(1) Body blackness

    

MC1R

No. of males

No. of females

Genotype

Grayish

Yellowish

Grayish

Yellowish

+/+

3

3

2

0

+/Del

10

3

7

4

Del/Del

1

1

4

1

(2) Black traits

    

MC1R

No. of males

No. of females

Genotype

Black

None

Black

None

+/+

3

3

0

2

+/Del

11

2

4

7

Del/Del

2

0

0

5

  1. (1) For body blackness, "Grayish" guppies have black pigmentation and "Yellowish" guppies have no black pigmentation. (2) For black traits, "Black" and "None" indicate the presence and absence of black spots and lines, respectively. (1, 2) All the F2 individuals from two families are included.