2024 Fall Bio Exam

Front

What is the phenotypic ratio of offspring in a cross between an AA and an Aa organism?

Back

4:0

Front

How many bases make up a codon?

Back

3

Front

Where does DNA replication take place in the cell?

Back

Nucleus

Front

What is the primary difference between prokaryotes and eukaryotes?

Back

Eukaryotes have a nucleus, prokaryotes do not.

Front

What is the genotypic ratio of offspring in a cross between an Aa and an Aa organism?

Back

1:2:1

Front

Define phenotype.

Back

The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Front

Define genotype.

Back

The genetic constitution of an individual organism, often represented by letters (e.g., AA, Aa, aa).

Front

What is the role of the nucleus in a cell?

Back

The nucleus houses the cell's DNA and is responsible for regulating gene expression and cell division.

Front

What are prokaryotes?

Back

Single-celled organisms that lack a nucleus and membrane-bound organelles, such as bacteria.

Front

What are eukaryotes?

Back

Organisms whose cells contain a nucleus and membrane-bound organelles, including plants, animals, and fungi.