Terms in this set (9) Which statement best explains the significance of meiosis in the evolution of a species? Meiosis produces eggs and sperm that are alike. Meiosis provides for chromosomal variation in the gametes produced by an organism.
What is the significance of meiosis explain?
Meiosis is responsible for the formation of sex cells or gametes that are responsible for sexual reproduction. It activates the genetic information for the development of sex cells and deactivates the sporophytic information. It maintains the constant number of chromosomes by halving the same.
Which statement best explains the significance of meiosis in helping to maintain continuation of a species group of answer choices?
The correct answer is 2. Meiosis provides for chromosomal variation in the gametes produced by an organism. It happened during cross-over and segregation and law of independent assortment.
What is the significance of meiosis quizlet?
Meiosis produces the gametes so fertilisation can occur and combine genetic material from 2 unrelated individuals of the same species.
What is the ultimate significance of meiosis?
The purpose of meiosis is to shuffle genetic information and cut the cellular chromosome number in half, from 46 chromosomes to 23 chromosomes. In this way, when an egg and sperm cell combine during fertilization, the resulting embryo will inherit the appropriate amount of unique genetic information from each parent.
What is the importance of meiosis in humans?
As sexually-reproducing, diploid, multicellular eukaryotes, humans rely on meiosis to serve a number of important functions, including the promotion of genetic diversity and the creation of proper conditions for reproductive success.
What is the significance or application of mitosis meiosis?
Mitosis and meiosis both involve cells dividing to make new cells. This makes them both vital processes for the existence of living things that reproduce sexually. Meiosis makes the cells needed for sexual reproduction to occur, and mitosis replicates non-sex cells needed for growth and development.
Which statement best describes a difference between mitosis and meiosis in humans?
Mitosis only occurs in the presence of oxygen, while meiosis can occur in the absence of oxygen. Cells produced by meiosis are genetically identical, and cells produced by mitosis are genetically unique. Mitosis is primarily used to create body cells, and meiosis is primarily used to create sex cells.
Which of the following best describes meiosis?
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females. During meiosis one cell? divides twice to form four daughter cells.
Which statement is true of both mitosis and meiosis?
o, the correct statement is ‘In both mitosis and meiosis the replication of DNA and chromosomes occurs at the same stage. ‘
What do you mean by meiosis?
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction. … Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome.
Which cell is normally produced as a result of meiosis?
Meiosis produces cells with half the number of chromosomes as the original cell. Haploid cells used in sexual reproduction, gametes, are formed during meiosis, which consists of one round of chromosome replication and two rounds of nuclear division.
What is the result of recombination crossing over during meiosis quizlet?
Crossing-over results in genetic recombination by producing a new mixture of genetic material. Each homologous pair consists of four chromatids, because each chromosome in the pair had replicated before meiosis began. … The random separation of the homologous chromosomes (tetrads) is called independant assortment.