Meiosis & Punnett Squares PRACTICE

Which of the following is the genotype for a homozygous recessive trait?

• gg
• Gg
• GG

What type of letters are used to show a trait is dominant?

• capital
• lowercase

pp is an example of why type of genotype?

• homozygous recessive
• heterozygous recessive
• homozygous dominant
• heterozygous dominant

PP is what type of genotype?

• homozygous recessive
• heterozygous recessive
• homozygous dominant
• homozygous recessive

Pp is an example what type of genotype?

• homozygous recessive

• homozygous dominant

• heterozygous

In a population of caterpillars, lime-green color with black spots is dominant (L) over lime-green color with no black spots (l). Which of the following results below would be expected from a cross between a parent who is homozygous recessive and a parent who is heterozygous? 

(Set up the PUNNETT SQUARE!)

• 100% Lime green with black spots

• 100% lime green, no spots

• 50% with spots, 50% without spots

• 75% with spots, 25% without

What % of the offspring in the Punnet square are heterozygous?

• 25%
• 50%
• 75%
• 100%

What is one or more alternative forms of a gene?

• chromosome
• genotype
• phenotype
• allele

What type of letter show s a recessive trait?

• capital
• lowercase

 In a species of corn, the diploid number of chromosomes is 20. What is the number of chromosomes found in each of the normal egg cells produced by this species? 

• 5

• 10

• 20

• 40