Mendelian Genetics

Passing on traits from parents to offspring

• Chromosome

• Genotype

• Heredity

• Allele

The study of heredity

• Genetics

• Genome

• Allele

• Punnett Square

What is the percentage of homozygous recessive offspring?

• 0%
• 25%
• 50%
• 75%

Green peas are dominant (G) to yellow peas (g). What is the genotype for a hetereozygous dominant offspring?

• Gg
• gg
• GG

True or False:
A heterozygous dominant trait can be written as BB.

• True
• False

The observable traits of an organism are known as its

• allele
• dominance
• phenotype
• genotype

Each parent contributes one of the genes for a particular trait. The genes of the pair are called:

• variables
• gametes
• hybrids
• alleles

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.

• Gene
• Allele
• Codon
• Nucleotide