Homologous Chromosomes and Sister Chromatid
Question 1: How many homologous chromosomes are present in diploid organisms?
Answer:
In diploid organisms, there are two homologous chromosomes for each chromosome type, making a total of two sets of chromosomes.
Question 2: What is the role of homologous chromosomes in sexual reproduction?
Answer:
Homologous chromosomes are involved in the process of sexual reproduction, where they pair up and exchange genetic material during meiosis. This exchange leads to genetic diversity and helps to ensure that offspring have a mix of genes from both parents.
Question 3: What is the number of chromosomes in humans?
Answer:
Humans have 23 pairs of homologous chromosomes, giving a total of 46 chromosomes.
Question 4: Are sister chromatids found in pairs?
Answer:
Yes, sister chromatids are formed from a single chromosome and are always found in pairs.
Difference Between Homologous Chromosomes and Sister Chromatids
Homologous chromosomes and sister chromatids are two important components of cell replication and division. They play a critical role in the maintenance of genetic information and the formation of daughter cells. While both types of chromosomes are similar in structure, they are distinct and serve different purposes in the cell.