CBA Review 2

Front

Which organelle controls what goes in and out of the cell?

Back

Cell membrane: The cell membrane is a protective barrier that regulates the movement of substances in and out of the cell.

Front

Who is known as the father of genetics?

Back

Gregor Mendel: Mendel is recognized for his foundational work in the study of heredity and genetics.

Front

What phenotype will be expressed if a cattle has the genotype Hh?

Back

Cloven hooves: The phenotype expressed by the genotype Hh in cattle is cloven hooves.

Front

What does it mean to be homozygous?

Back

Homozygous: Having two identical alleles for a particular trait, often referred to as purebred.

Front

Which phase of the cell cycle is characterized by an increase in DNA content?

Back

Phase II: This phase is where DNA replication occurs, leading to an increase in DNA content.

Front

What is the function of the nucleus in a cell?

Back

Nucleus: The nucleus serves as the control center of the cell, housing the cell's genetic material.

Front

Define phenotype.

Back

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

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous: Two identical alleles for a trait; Heterozygous: Two different alleles for a trait.

Front

What is the role of alleles in genetics?

Back

Alleles: Variants of a gene that determine specific traits; they can be dominant or recessive.

Front

What is the significance of Gregor Mendel's experiments?

Back

Mendel's experiments laid the groundwork for the laws of inheritance, explaining how traits are passed from parents to offspring.