10.2.2-P11

Which one is a phenotype?

• Purple flower
• DD
• Peas
• aa

Which one is a genotype?

• aa
• Purple flower
• Peas
• White flower

Which of the following is homozygous?

• dd
• Aa
• d
• Dd

Which of the following is heterozygous?

• Aa
• AA
• d
• aa

Which of the following is homozygous dominant?

• AA
• Dd
• dd
• Aa

Which of the following is homozygous recessive?

• aa
• Dd
• DD
• Aa

If a testcross shows phenotype ratio of 1:1, this means the parents are

• Aa × aa
• AA × aa
• Aa × Aa
• AA × Aa

If a testcross shows phenotype ratio of 1:0, this means the parents are

• DD × dd
• Dd × dd
• Dd × Dd
• Dd × DD

What is the genotype ratio of offspring in monohybrid testcross?

• 1:1
• 3:1
• 1:0
• 1:2:1

What is the phenotype ratio of offspring in monohybrid testcross?

• 1:1
• 3:1
• 1:0
• 1:2:1