Genetics Essentials – Lesson 5: Meiosis
5.1 Meiosis Defined
Meiosis produces gametes (egg and sperm cells).
During meiosis, hereditary info is exchanged involving the maternally and paternally inherited copies of a pair of chromosomes so that you can produce brand new combinations of genes. This method of hereditary recombination helps you to increase variability that is genetic a species. It allows when it comes to transmission of practically limitless combinations of genes from moms and dad to offspring.
The ensuing gametes have 23 brand brand brand new chromosomes, one person in all the 23 pairs, representing unique combinations associated with the original maternal and paternal copies.
5.2 Meiosis Terminology—Homolog
Homologous chromosomes , or homologs, comprise associated with people in any offered chromosome set. One person in the homolog may be the chromosome through the mom therefore the other member is through the dad.
During meiosis, homologs pair together.
5.3 Meiosis Terminology—Chromatid
A chromatid is created during meiosis and it is certainly one of my ukrainian bride two identical DNA strands formed after DNA synthesis. Continue reading “In people, exactly what determines the intercourse of offspring and exactly why?”