Bio Unit 6 Pre-Quiz

Different forms of genes:

• alleles
• phenotype
• genotype
• homologous chromosomes

An organism's appearance or other observable characteristics:

• phentoype
• genotype
• recessive
• dominant

Having two of the SAME alleles for a trait (example HH or hh):

• homozygous
• heterozygous
• recessive
• dominant

bb crossed with BB, what is the probability of Bb?

• 0%
• 25%
• 50%
• 100%

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?

• 25%
• 50%
• 75%
• 100%

Gregor Mendel is known as the:

• Father of Genetics
• Father of Heredity
• Father of Pea Plants
• Father of the Punnett Square

Which of the following alleles is homozygous recessive?

• Tt
• tt
• TT
• T

In the punnett square shown, what must the genotype of the missing parent be?

• BB
• Bb
• bb
• Tt

What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant
• Pigeons
• Pear trees
• Photosynthesis

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype