Hurricanes develop in the ocean and go through many phases before being called a hurricane. They have high winds, and rain that can be deadly. Thunderstorms usually develop over land and consist of some wind (sometimes deadly, but not often) rain, and lightening. Thunderstorms are not nearly as dangerous as hurricanes.
To contract and churn the food to break it down into smaller molecules
Answer: Species A is diploid, it means 2n=36, the haploid number is 36/2=18. Species B is triploid, it means 3n=36, then the haploid number is 36/3=12.
Explanation:
A chromosome is an ordered bundle of DNA associated with proteins such as histones, and it is found in the nucleus of the cell. Different organisms have different numbers of chromosomes. Humans, for example, have 23 pairs of chromosomes, 22 of them are autosomal pairs, and one pair are sex chromosomes, which indicates the sex of a person. Each parent contributes one chromosome from his or her autosomal pair and one from the sex pair, so that the offspring get half of their chromosomes from their mother and half from their father.
<u>A haploid cell has only one set of chromosomes (n), whereas diploid cells have two sets of chromosomes (2n) and triploid cells have three sets (3n). In the example of humans, a diploid cell is a somatic cell and has 46 chromosomes (or 23 pairs). And a haploid cell, a gamete for example, has 23 chromosomes. </u>
If two species of plants carry 36 chromosomes, and species A is diploid, it means 2n=36. Then the haploid number is 36/2=18. Species B is triploid, it means 3n=36. Then the haploid number is 36/3=12.
In the Hardy-Weinberg formula, 2pq represents the frequency of the Aa genotype (heterozygous).
The answer is anaphase.
Ron is obviously observing cell division - mitosis. Mitosis consists of four phases - prophase, metaphase, anaphase, telophase and cytokinesis.
1. Prophase: Chromatin in the nucleus condenses and chromosomes pair up
2. Metaphase: Chromosomes line up at the center of the cell. The sister chromatids are joined together.
<u>3. Anaphase: The sister chromatids separate from each other to the opposite sides of the cells.</u>
4. Telophase and Cytokinesis: Membrane forms around each set of chromosomes on two opposite sides of the cells and cell divides into two identical daughter cells.
<span>Therefore, sister chromatids being are pulled to the opposite ends of the cell in anaphase.</span>
