Where is hereditary information present and how is this information passed from one generation to another?
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Genetic information in a cell is held in the chemical molecule DNA in the form of a genetic code. Genes determine the development and structure of organisms. In asexual reproduction all the genes in the offspring come from one parent.
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Answer: Hereditary information is present in our genes. This information is passed from one generation to another through reproduction.
Explanation:
- Genes, which are found in the chromosomes of every cell, are where information that is passed down through generations is stored.
- Each gene is only capable of carrying one piece of information at a time.
- One or more genes can be responsible for determining an individual's inherited characteristics, and a single gene can have an effect on multiple characteristics.
- A single human cell houses hundreds of thousands, if not millions, of unique genes.
- First human cell formed during fertilizations when egg and sperm cells join (from the father). This cell contains the body's genetic instructions. Every time a cell splits, this genetic information is passed on to the two new ("daughter") cells.
- As a baby grows in the womb, cells divide, forming different cells, tissues, and organs. Even while cells in different tissues (such as muscle and liver) perform different activities, they all have the same genetic material.
- When people talk about passing on genes, they don't mean during cell division. Instead, they mean parental genes. This is called "heredity"
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