Dihybrid Cross Practice

What is the gamete combination for this parental genotype? TtDd

• T, t, D, d

• Tt, Dd

• Td, tD, Tt, td

• TD, Td, tD, td

Tags

NGSS.HS-LS3-2

What is the gamete combination for this parental genotype? RRyy

• RR, yy, Ry, Ry

• Ry, Ry, Ry, Ry

• R, R, y, y

• RR, yy

What is the gamete combination for this parental genotype? Aabb

• Ab, Ab, ab, ab

• A, a, b, b

• Aa, bb

• Ab, Aa, bb, ab

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

Tall(T) is dominant to short(t) height and Dark brown(B) is dominant to blue(b) eyes. Identify the phenotype based on the provided genotype.

TTBB= ​ (a)  

TTBb= ​ (b)  

TtBb= ​ (c)  

• Tall and dark brown eyes
• Tall and blue eyes
• Short and dark brown eyes
• Short and blue eyes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

In mice, red (R) is dominant to black(r) eyes and Yellow(Y) is dominant to white(y) teeth. Identify the phenotype based on the provided genotype.

Rryy= ​​ ​ (a)  

rrYY= ​ ​ (b)  

rryy= ​​ (c)  

• Red eyes and white teeth
• Black eyes and yellow teeth
• Black eyes and white teeth
• Red eyes and yellow teeth

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

In mice, red(R) is dominant to black(r) eyes and Yellow(Y) is dominant to white(y) teeth. What is the probability of the offspring having red eyes and white teeth?

• 1/16

• 3/16

• 6/16

• 9/16

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Tall(T) is dominant to short(t) height and Dark brown(B) is dominant to blue(b) eyes. What is the probability the offspring will be tall with dark brown eyes?

• 1/16

• 3/16

• 6/16

• 9/16

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS3-3