Mechanisms of Heredity - Physiology Assignment Help

Assignment Task

1. Mechanisms of Heredity
a. Define the terms: “genotype”, “phenotype”, “dominant” and “recessive”. Explain the relationship between genotypes and phenotypes in dominant and recessive gene systems.
b. Explain the difference between monozygotic and dizygotic twins. How are they formed in utero? How do they compare genetically?
c. If you know that one identical twin in kindergarten is shy and withdrawn with their peers how likely is it that their twin will also be shy and withdrawn with peers? Explain what you are basing your decision on?

2. Prenatal Development
a. Explain 5 ways that teratogens influence prenatal development in utero.
b. Nearly 60 years ago thalidomide was prescribed to treat morning sickness in pregnant women. Explain how Thalidomide impacted on fetal development and why it is used in many developmental textbooks as a model for the impact of teratogen’s on fetal development.
c. Recently a friend told me that her niece had been born at 21 weeks 6 days gestation. Based on the recommendations from the Canadian Pediatric Society and what you know about prenatal development explain what you think might happen in this case?

3. Growth and Health
a. Identify the five major causes of death in young children world-wide and explain how the “Integrated Management of Childhood Illness programme addresses these dangers.
b. Select ONE disease from the following list that in the past killed many children but that is now eradicated due to a vaccine: Mumps, Rubella (German Measles), Chickenpox, Whooping cough, (Pertussis), Diphtheria, or Polio. Describe the effect of this disease on children and the mortality rates before and after the development of the vaccine. 
c. Research has shown that beginning in March 2020, there was a dramatic drop in children receiving their routine vaccines. Forty percent of parents surveyed said their children missed shot?s because of the COVID-19 global pandemic outbreak. What are the repercussions of parents failing to vaccinate their children on schedule?

4. Perceptual and Motor Growth
a. Describe the five basic senses and the level of development of each at birth.
b. Parents approach you at a party and, because they know you are taking a course in child development, ask if they should be concerned about their one-year old’s hearing. What questions would you ask and what would you recommend based on their answers?
c. For parents with a hearing impaired child it is difficult to know what is the best decision for their child. Explain the advantages and disadvantages of a cochlear implant for a parent who is trying to decide whether or not to have their child undergo this surgery.

5. Theories of Cognitive Development
a. Explain what Piaget meant by the terms “assimilation, “accommodation”, “disequilibrium” and “equilibrium” in reference to children’s cognitive development.
b. Describe the characteristics of each of Piaget’s 4 stages of cognitive development and provide a real-life example of child behavior that would be demonstrated at each of these stages.
c. Although established in the last century, the theories of Piaget and Vygotsky continue to be used throughout the world to prepare teachers of young children. Their theories are complementary. What might a classroom look like that focuses on both their approaches to learning?

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