Semester 1 Review '24

Front

What is the genotype of a heterozygous individual for eye color and hair type?

Back

BbCc, where B is brown eyes, b is blue eyes, C is curly hair, and c is straight hair.

Front

What is the genotype of a homozygous dominant individual for eye color?

Back

BB, where B is brown eyes.

Front

What is translocation in terms of chromosomal mutation?

Back

Translocation is a chromosomal mutation where a segment of one chromosome is transferred to another chromosome.

Front

What is the main product of cellular respiration?

Back

Carbon dioxide (CO2) is the main product of cellular respiration.

Front

During which stage of the cell cycle does DNA replication occur?

Back

DNA replication occurs during Interphase.

Front

What type of transport is the sodium-potassium pump an example of?

Back

Active transport, as it requires energy to move ions against their concentration gradient.

Front

What is the definition of active transport?

Back

Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

Front

What is the definition of passive transport?

Back

Passive transport is the movement of molecules across a cell membrane without the use of energy, moving from high to low concentration.

Front

What is crossing over in genetics?

Back

Crossing over is the exchange of genetic material between homologous chromosomes during meiosis, leading to genetic variation.

Front

What is the role of the sodium-potassium pump in maintaining homeostasis?

Back

The sodium-potassium pump helps maintain the electrochemical gradient across the cell membrane, crucial for nerve impulse transmission and muscle contraction.