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Lesson 3 Discussion B.edited

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Psychology
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Stratford University
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Lesson 3 and Discussion B
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Lesson 3
1. Define epigenetics and discuss how we have control of our future.
Epigenetics infers to the study of the changes (heritable) in the expressions of genes, which do
not involve the changes of the underlying sequences of DNA. Notably, the changes in the
phenotypes that have no change in the genotype will, in turn, affect the ways the cells read the
genes. We control our future through a lifestyle that can determine factors in the ways genes
express themselves to living healthily.
2. Please discuss the difference between genotype and phenotypes. Please provide an
example of each.
Phenotype infers to the organisms' physical appearance, while the genotype is the make-up
(genetic). An example of the phenotype is having a blue eye, an autosomal trait (recessive), and
lacking brown eyes gene.
3. What are chromosomal abnormalities? Please provide two examples of
chromosomal abnormalities and discuss their distinguishing features.
Chromosomal abnormalities are the results hailing from errors during cell division. An example
of chromosomal abnormalities is Down Syndrome: Trisomy 18, XYY syndrome, and Trisomy
13.
Traits of Trisomy 18 include abnormally shaped heads and defects in the child’s organs.
Trisomy 13 traits include having three copies of chromosome 13 in the body cells than the
expected usual two copies.
For the XYY Syndrome, the characteristics include the below:
Taller than the average height
Low curved muscles
Cystic acne in the adolescence
4. What are genetic disorders? Please provide two examples of each, discussing
distinguishing features.

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Lesson 3 and Discussion B Name of the student: Professor: Class: Date: Lesson 3 1. Define epigenetics and discuss how we have control of our future. Epigenetics infers to the study of the changes (heritable) in the expressions of genes, which do not involve the changes of the underlying sequences of DNA. Notably, the changes in the phenotypes that have no change in the genotype will, in turn, affect the ways the cells read the genes. We control our future through a lifestyle that can determine factors in the ways genes express themselves to living healthily. 2. Please discuss the difference between genotype and phenotypes. Please provide an example of each. Phenotype infers to the organisms' physical appearance, while the genotype is the make-up (genetic). An example of the phenotype is having a blue eye, an autosomal trait (recessive), and lacking brown eyes gene. 3. What are chromosomal abnormalities? Please provide two examples of chromosomal abnormalities and discuss their distinguishing features. Chromosomal abnormalities are the results hailing from errors during cell division. An example of chromosomal abnormalities is Down Syndrome: Trisomy 18, XYY syndrome, and Trisomy 13. Traits of Trisomy 18 include abnormally shaped heads and defects in the child’s organs. Trisomy 13 traits include having three copies of chromosome 13 in the body cells than the expected usual two copies. For the XYY Syndrome, the characteristics include the below: ✓ Taller than the average ...
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