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Nucleosome
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∙ 11y ago
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What are tightly packed units of DNA?
Chromosomes
Where is the units of heredity found?
the units of heredity are genes and these are present on chomosomes which are present in nucleus.
What units are chromosomes measured in?
centi Morgan or Map unit
Genes on chromosomes are the units of inheritance. true or false?
This is true
What does chromosomes do in a cell explain?
chromosomes are structures formed by many smaller units called genes.these genes in turn are the carriers of our genetic factors
What is the term for the units of inheiritance that are located on the chromosomes inside of the nucleus of cells?
Gene
Are homologous chromosomes matched units of DNA that contain genetic information?
yes
What basic units of heredity are a small part of dna molecule located in a chromosomes?
gene
What is the difference between DNA genes chromosomes?
Genes are basic units of Inheritance and are the templates for the creation of proteins, whereas Chromosomes are the molecular structures within the nucleus that contain genes.
What is the difference between multiphase sampling and multistage sampling?
in multi-stage sampling the population is divided into a nonumber of units & in multi-phase sapling when certain items of information are collected from all the units in a sample and other itemsof usually more detailed information are collected from the subsample of the units composing the original sample.
What phase does chromosomes first appear to be double?
It is during the prophase in which chromosomes first appear to be duplex structures.Each cell in a person typically has 23 pairs of chromosomes.
What experiments did William Sutton do on grasshoppers?
I believe it was Walter Sutton..He was an American scientist who was the first to provide proof that chromosomes contained the cells units of inheritance. Walter Sutton became the first scientist to provide evidence that chromosomes carried the cells units of inheritance. While he studied grasshopper cells, Sutton observed that chromosomes occurred in distinct pairs, and that during meiosis(form of cell division) the chromosome pairs split, and each chromosome goes to its own cell. In 1903, Sutton discovered that chromosomes contained genes and that their behavior during meiosis was random, concepts that later provided the basis for the Chromosomal Theory of Hereditary.
