Alleles + Genes

Identify this part of the chromosome pair.

• allele
• chromosome
• gene locus

Identify this part of the chromosome pair.

• allele
• chromosome
• gene locus

Identify this part of the chromosome pair.

• allele
• chromosome
• gene locus

How many total chromosomes do humans have in each body cell?

• 1
• 23
• 46

How many of those chromosomes in each human body cell are from their mother?

• 1
• 23
• 46

How many of those chromosomes in each human body cell are from their father?

• 1
• 23
• 46

How many pairs of chromosomes are there in each human body cell?

• 1
• 23
• 46

When looking at EACH pair, how many chromosomes in the pair come from the mother?

• 1
• 2
• 18

When looking at EACH pair, how many chromosomes in the pair come from the father?

• 1
• 2
• 18

Using the following vocabulary words, explain how a person may taste the bitterness of PTC. You may use the words in any order: TRAIT, GENE, GENOTYPE, PHENOTYPE, and ALLELES. Type the 5 vocabulary words IN ALL CAPS as you use it in your explanation. In your explanation, you can treat PTC taste sensitivity as a single-gene trait.