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Humans have thousands of different genes arranged on 23 pairs of chromosomes. These are arranged from largest to smallest on a karyotype.
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Wiki User
∙ 12y ago
Wiki User
∙ 13y agoChromosomes are arranged by size. These are usually shown on a Karyotype . They are arranged to show homologous pairs.
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What role do chromosomes and genes play in determining a child's heredity?
Genes are the basic unit of genetic inheritance. Chromosomes are the structures inside cells that contain the entire genome. Naturally, genes and the chromosomes that contain them, and how genes arrange themselves on the daughter chromosomes during meiosis are critical to the process of determining the heredity of the offspring.
Why do you need to count chromosomes during mitosis?
It is possible to count chromosomes only during vell division (mitosis or meiosis). This is because when the cell is not dividing the chromosomes are in an uncoiled, extended state and are not visible under the microscope. During cell division the chromosomes coil up, becoming shorter and thicker and so visible. At this time they can be counted.
What do homologous chromosomes form in pro-phase 1?
Homologous chromosomes in pro-phase 1 arrange themselves as tetrads. A tetrad is a set of four copies of a chromosome--the two original pairs, and the two copies the cell has made.
Why do organisms favor sexual reproduction?
1. The Random Distribution of Chromosomes in Metaphase I Homologous chromosomes arrange themselves randomly at the equator of the spindle randomly in metaphase I.The consequent random assortment of chromosomes makes new genetic combinations. 2. Crossing Over of Homogolous Chromosomes 3. Mutation
What discovery in the 1900 supported Mendel's ideas?
Chromosomes
During what phase of mitosis do chromosomes migrate to the equator of the cell and arrange themselves there?
metaphase
What is the function of a centriole?
Centrioles are only found in animal cells. Their funcion to arrange (or help arrange) the chromosomes in a cell so that the cell can split with an even amount of chromosomes when it reporduces.
What role do chromosomes and genes play in determining a child's heredity?
Genes are the basic unit of genetic inheritance. Chromosomes are the structures inside cells that contain the entire genome. Naturally, genes and the chromosomes that contain them, and how genes arrange themselves on the daughter chromosomes during meiosis are critical to the process of determining the heredity of the offspring.
Why do you need to count chromosomes during mitosis?
It is possible to count chromosomes only during vell division (mitosis or meiosis). This is because when the cell is not dividing the chromosomes are in an uncoiled, extended state and are not visible under the microscope. During cell division the chromosomes coil up, becoming shorter and thicker and so visible. At this time they can be counted.
What do homologous chromosomes form in pro-phase 1?
Homologous chromosomes in pro-phase 1 arrange themselves as tetrads. A tetrad is a set of four copies of a chromosome--the two original pairs, and the two copies the cell has made.
Explain why prophase is the longest phase in mitosis?
because the most things happen in it. centrioles grow, spindle fibers arrange on chromosomes, and the cell grows exponentially.
Why do organisms favor sexual reproduction?
1. The Random Distribution of Chromosomes in Metaphase I Homologous chromosomes arrange themselves randomly at the equator of the spindle randomly in metaphase I.The consequent random assortment of chromosomes makes new genetic combinations. 2. Crossing Over of Homogolous Chromosomes 3. Mutation
What discovery in the 1900 supported Mendel's ideas?
Chromosomes
What is the plural form of arrange?
There is no plural form for arrange as arrange is verb not a noun.
How do you arrange on order of importance?
arrange what?????
What homologous pairs of chromosomes line up in the middle of the spindle during meiosis name the phase one or two?
During Metaphase 1 the homologous pairs of chromosomes line up at the center of the cell. They arrange around the spindle during meiosis.
All chromosomes except the X and Y sex chromosomes are called?
homologous chromosomes and autosomal chromosomes
