Heritability

Z., Mataix-Cols, D., Serlachius, E., Lichtenstein, P., Anckarsäter, H., Chang, Z., & ... Rück, C. (2013). Prevalence, comorbidity and heritability of hoarding symptoms in adolescence: a population based twin study in 15-year olds. Plos ONE, 8(7), 1-7. Doi: 10.1371/journal.pone.0069140 A population study was conducted with twins from the Sweden community to examine the genetic and…

Understanding individualistic influences on the development of autism Autism is a neurodevelopmental disorder that manifests as “persistent deficits in social communication and social interaction across multiple contexts” (DSM-5, 2013). This is subject to several different situational manifestations, and is also identified through restricted and repetitive behaviours, and trouble developing and maintaining relationships (DSM-5, 2013). Diagnosis generally takes place as early as one year of age,…

Both first generation antipsychotics (FGA’s) and second generation antipsychotics (SGA’s) are associated with a wide range of side effects that can lead to patient distress and noncompliance with treatment. First generation antipsychotics are strong D2 antagonists resulting in pronounced extra-pyramidal side effects and increased rates of hyperprolactinemia making them second-line treatments for schizophrenia (Werner). The SGA’s (risperidone, olanzapine, clozapine, quetiapine, paliperidone,…

can be used to achieve the same end goal of ultimately engineering a healthy embryo. A less-than-cell-sized metal silver is coated with therapeutic DNA and precisely shot or injected into a target cell. What makes germline engineering unique is heritability. Passing on altered genes that can ultimately eliminate diseases such as cancer, cystic fibrosis, and even Alzheimer’s disease can improve the quality of human life exponentially. These newly acquired genes can be modified back to their…

Environmental, genotypic and phenotypic coefficient of variation (ECV, GCV and PCV) existing in traits were estimated by formula given by Burton (1952), ECV (%)=√(〖 〗_e^2 )/( ) ×100, GCV (%)=√(〖 〗_( )^2 )/( ) ×100, PCV (%)=√(〖 〗_p^2 )/( ) ×100 Heritability (h2) in broad sense was calculated according to formula suggested by Allard (1960) h^2=(〖 〗_( )^2)/(〖 〗_p^2 )×100 The expected genetic advance (GA) was measured by the formula proposed by Lush (1949) GA=V_g/V_p ×√(V_p ) ×k,…

Introduction Nature is the genetic inheritance and biological influences, while nurture is the external factors, such as environment and life experiences. The nature-nurture debate concerned with the extent to which aspects of behavior are a product human, whether nature (i.e. genetic influence) or nurture (i.e., acquired learning or environmental factors). The debate allows psychologists to study various aspects of human development which include intelligence, personality, and mental illness.…

1. An assessment aims to identifying the child’s strengths and weaknesses, develop a language profile of the child, determine concerns, and helps determine next steps. Through assessments the clinician can gather specific language details such as Amelia’s receptive and expressive language, word/sound productions, word combinations, and play skills. Amelia’s assessment (a) will include a standardized test (direct interaction with the child), a language sample, parent questionnaires (direct…

Duchenne Muscular Dystrophy (DMD) is named after the French neurologist Guillaume Benjamin Amand Duchenne who first described the disease. It is one of nine types of muscular dystrophy. Muscular dystrophy is characterized by progressive muscle degeneration (Muscular Dystrophy Association). Muscle weakness appears in early childhood and progressively worsens; children with DMD are generally wheel-chair dependent by adolescence. Along with the DMD affecting the skeletal system, the cardiac muscles…

When we talk about natural selection, we often hear the phrase: “The Survival Of The Fittest”, but what does it really mean? Is it about the strongest ones with biggest muscles who survive? No, it is about the creatures who adjust to their environment. The strongest creatures are the ones who change their body when their home changes. The giraffes eat leaves that are high up in the trees, because they had to adjust to this environment long time ago, generation after generation their shapes…

Is it nature or nurture that define who a person is and why does he/she behave? This question has been asked throw centuries and people who tried to answer it had appealed to one or two sides and forgot about the others. First let us define nature and nurture. Nature things are ones that are genetically typed on our DNA - that means we had inherited it from our parents. On the other side, nurture are mostly things which are related to experience or learned through external factors. people who…