Tuesday, January 23, 2023 - Dihybrid Cross Notes
a genetic cross of possible outcomes of two traits
example:
fur color of mice
two options:
black - dominant - B
white - recessive - b
coat texture of mice
two options:
rough - dominant - R
smooth - recessive - r
parents:
parent 1 - heterozygous - BbRr
parent 2 - heterozygous - BbRr
XXXXXXXX | BR | Br | bR | br |
---|---|---|---|---|
BR | BBRR | BBRr | BbRR | BbRr |
br | BbRr | Bbrr | bbRr | bbrr |
Br | BBRr | BBrr | BbRr | Bbrr |
bR | BbRR | BbRr | bbRR | bbRr |
a genetic cross of possible outcomes of two traits
example:
fur color of mice
two options:
black - dominant - B
white - recessive - b
coat texture of mice
two options:
rough - dominant - R
smooth - recessive - r
parents:
parent 1 - heterozygous - BbRr
parent 2 - heterozygous - BbRr
XXXXXXXX | BR | Br | bR | br |
---|---|---|---|---|
BR | BBRR | BBRr | BbRR | BbRr |
br | BbRr | Bbrr | bbRr | bbrr |
Br | BBRr | BBrr | BbRr | Bbrr |
bR | BbRR | BbRr | bbRR | bbRr |