Cuadros de Punnett

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 

• 0%

• 25%

• 50%

• 75%

Look at the punnett square shown. What allele pair would replace the "?"

• WW

• Ww

• ww

Tags

NGSS.HS-LS3-1

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?

• rr

• R

• RR

• RR or Rr

If a heterozygous parent and a homozygous recessive parent mate, what percentage of their offspring will be dominant?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %

• 25%

• 50%

• 75%

In a species of plants, the allele for purple flowers (P) is dominant over the allele for white flowers (p). If two heterozygous plants are crossed, what is the probability of obtaining a plant with white flowers?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-3

In guinea pigs, black fur (B) is dominant over white fur (b). If a homozygous black guinea pig is crossed with a white guinea pig, what will be the genotype of the offspring?

• BB

• Bb

• bb

• BB or Bb

In a certain animal, long tails (L) are dominant over short tails (l). If a heterozygous long-tailed animal is crossed with a short-tailed animal, what percentage of the offspring will have short tails?

• 0%

• 25%

• 50%

• 75%