WebChromosomes can have different functions in various types of cells of the same organism. B One of the most likely explanations for the evolutionary origin of sexual reproduction is that (1 point) a. organisms could then move onto land. b. DNA replication errors could be corrected by recombination. c. more and larger offspring could be produced. WebA duplicated chromosome remains tightly paired with its partner at a region called the centromere Before a cell divides, it copies all of its chromosomes. While the two copies of a chromosome are attached they are called sister chromatids DNA and protein together form a complex called chromatin

3.5 Cell Growth and Division - Anatomy and Physiology 2e - OpenStax

WebTwo copies of chromosome 1, one copy inherited from each parent, form one of the pairs. Chromosome 1 is the largest human chromosome, spanning about 249 million DNA building blocks (base pairs) and representing approximately 8 percent of the total DNA in cells. Identifying genes on each chromosome is an active area of genetic research. Webone copy of each chromosome- which is very long and thin and therefore not visible under a microscope. When a cell is ready to divide (mitosis or meiosis) the chromosomes are … flushing water heater after 3 yeras

Chromosome 21: MedlinePlus Genetics

WebJul 22, 2024 · Turner syndrome occurs when women inherit only one copy of the X chromosome. Some women have a rare super color vision trait called tetrachromacy, which is linked to the X chromosome. These women can see up to 100 million shades of color because they have four types of cone cells in their eye instead of the usual three. WebNov 22, 2024 · In mitosis, one cell divides to produce two daughter cells, each with a complete set of chromosomes. (It may seem odd, but the cells produced by cell division are called daughter cells, even in boys and men.) 6. Before mitosis begins, a cell makes a copy of all the DNA in each chromosome. green for life garbage service phone number