Unit 5 Genetic Exam Review - 2025

Front

What is the total number of chromosomes in an organism if it has 15 chromosomes in its sex cells?

Back

30

Front

What are the chances of baby butterflies having blue wings if both parents are heterozygous (Bb) for blue wing color?

Back

75%

Front

Which genotype is NOT possible for a heterozygous blue butterfly?

Back

BB

Front

What tool do scientists use to show possible genotype combinations?

Back

Punnett Square

Front

What is the study of how traits are inherited called?

Back

Genetics

Front

Define homozygous.

Back

An organism with two identical alleles for a trait.

Front

Define heterozygous.

Back

An organism with two different alleles for a trait.

Front

What is a phenotype?

Back

The observable physical or biochemical characteristics of an organism.

Front

What is a genotype?

Back

The genetic constitution of an organism.

Front

What does a Punnett square illustrate?

Back

The possible genetic combinations from a genetic cross.