• Sister Chromatids consists of identical nucleotide sequences former to crossing over, segregate in the anaphase of mitosis, separate during anaphase II of meiosis.
• Homologous Chromosomes-present in a pair, one is of maternal origin, the other of paternal origin, and crossover between them contributes to genetic diversity, separate during anaphase I of meiosis.
Further Explanation:
When the chromosomes exist in pairs and each member of the pair has a specific length, centromere location, gene arrangement, and banding pattern, then the pair of chromosomes are referred to as homologous chromosomes. Homologous chromosomes are those who share some common characteristics like the length of the chromosome, the position of the centromere, the location of genes, and the banding pattern. Based on the centromere position, the chromosome can be to the following types:
- Acrocentric
- Telocentric
- Metacentric
- Submetacentric
Basically, homologous chromosomes are a pair of chromosomes, whereas sister chromatids are formed by the process of replication of a single chromosome. The genetic makeup of two sister chromatids is the same. The Haploid (n) number of chromosomes is half of the diploid chromosome. During gamete formation, every single cell produced contains a haploid set of chromosomes.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Meiosis and mitosis
Keywords:
Acrocentric, submetacentric, telocentric, centromere, chromosome, haploid, diploid, length, position, arrangement, banding pattern, gene, location.
