2.33 Chromosomes Flashcard

Front

What is the total number of chromosomes in a human cell?

Back

46

Front

What is a chromosome?

Back

A chromosome is DNA tightly coiled around proteins.

Front

What are chromatids?

Back

Chromatids are the two identical halves of a duplicated chromosome.

Front

Where are chromosomes located in a cell?

Back

Chromosomes are found in the nucleus of a cell.

Front

How many pairs of chromosomes do humans have?

Back

Humans have 23 pairs of chromosomes.

Front

What is the function of chromosomes?

Back

Chromosomes carry genetic information and are responsible for inheritance.

Front

What is a gene?

Back

A gene is a segment of DNA that contains the instructions for making a specific protein.

Front

What is the role of the centromere?

Back

The centromere is the region of a chromosome where the two sister chromatids are joined.

Front

What is the difference between diploid and haploid cells?

Back

Diploid cells have two sets of chromosomes (46 in humans), while haploid cells have one set (23 in humans).

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in traits.