punnett squares

What are the alleles of highlighted box?

What are the alleles of highlighted box?

Choose the genotypes that are homozygous.

• Rr

• DD

• Tt

• ee

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

ee

• Dominant

• Recessive

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

How many children did Noah and Mary have?

• 3; 2 girls and 1 boy.

• 3; 2 boys and 1 girl

• 4; 3 girls and 1 boy

• 4; 2 girls and 2 boys

What belongs in the last box?

• RR

• Rr

• rr

• ff

mm

• Dominant

• Recessive

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%