10189894
Descrição
Quiz por Katy Faure, atualizado more than 1 year ago
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Criado por Katy Faure
aproximadamente 7 anos atrás
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Questão 1
Questão
How many pairs of genes do we have?
Responda
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23
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46
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12
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16
Questão 2
Questão
Define Mitosis
Responda
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Sexual reproduction - chromosome pairs of 2 parents integrating and mixing genetic information, and producing 4 cells, each with 1/4 of the number of chromosomes from the original cells.
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Regular reproduction and replication of body tissue - a single cell divides, producing 2 cells.
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Sexual reproduction - chromosome pairs of 2 parents integrating and mixing genetic information, and producing 4 cells, each with 1/2 of the number of chromosomes from the original cells.
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An error in cell reproduction, resulting in mutations
Questão 3
Questão
Define Meiosis
Responda
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Sexual reproduction - chromosome pairs of 2 parents integrating and mixing genetic information, and producing 4 cells, each with 1/2 of the number of chromosomes from the original cells.
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Sexual reproduction - chromosome pairs of 2 parents integrating and mixing genetic information, and producing 2 cells, each with 1/2 of the number of chromosomes from the original cells.
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Sexual reproduction - chromosomes pairs of 2 parents integrating and mixing genetic information, and producing 4 cells, each with 1/4 of the number of chromosomes from the original cells.
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Sexual reproduction - chromosomes pairs of 2 parents integrating and mixing genetic information, and producing 6 cells, each with 1/3rd of the number of chromosomes from the original cells.
Questão 4
Questão
What are the 4 types of mutations?
Responda
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Inversion, containments, transbiosis, synductions
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Containments, Deletions, duplications, transbiosis
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Inversions, deletions, duplications, translocations
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Translocations, duplications, inversions, synductions
Questão 5
Questão
Which of the following is an example of a dominant-recessive gene relationship? Tick all that apply
Responda
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Mathematical ability / creative ability
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Red hair / blonde hair
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Brown eyes/ blue eyes
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Tall height / short height
Questão 6
Questão
Cystic Fibrosis is an example of a disorder in which gene?
Responda
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Dominant gene
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Recessive gene
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Co-dominance
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None of the above
Questão 7
Questão
What are the chances of inheriting a genetic disorder stemming from a dominant gene?
Responda
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1 in 6
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1 in 4
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1 in 20
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1 in 2
Questão 8
Questão
What is the chromosomal abnormality that occurs in Down Syndrome?
Responda
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Only 18 chromosome pairs instead of 26
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XO expression instead of XX
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3 chromosomes instead of 2
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1 chromosome instead of 2
Questão 9
Questão
What does the process of Amniocentesis do?
Responda
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Prenatally diagnoses genetic disorders of the foetus through taking tissue sample, or needling the chromosome.
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Prenatally diagnoses genetic disorders through ultrasound
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Prenatally examines risk of down syndrome through testing the fluid at the back of the neck
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Prenatally diagnoses genetic disorders through pre-implantation (IVF treatment).
Questão 10
Questão
What is the % of shared genes of monozygotic and dizygotic twins?
Responda
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MZ = 100% DZ = 50%
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MZ = 50% DZ = 50%
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MZ = 25% DZ = 75%
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MZ = 75% DZ = 25%
Questão 11
Questão
What are some of the limitations of twin studies? Select all that apply
Responda
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Experiments are naturalistic so we cannot manipulate the surrounding environment
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There are more fraternal twins than identical, which gives a less accurate picture of environmental influences
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No random allocation
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Some parents believe mistakenly believe their twins are monozygotic rather than dizygotic, and vice versa
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Twin studies are considered unethical
Questão 12
Questão
What are some of the limitations of adoption studies? Select all that apply
Responda
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No random allocation
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Experimenters have to seek out flaws in environment due to screening
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Parents are screened for eligibility, therefore not a lot of variation in immediate family environments
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Children who know they are adopted may respond differently in a shared environment
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Experiments are naturalistic so we cannot manipulate environment
Questão 13
Questão
What did Caspi et al (2003) discover in their study regarding vulnerability to depression?
Responda
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That there is relatively the same risk for developing depression after 4 + stressful life events regardless of your genetic predispositions
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That you are more likely to develop depression after 2+ stressful life events if you have 1 high risk gene, and one protective gene, than if you have 2 high risk genes
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That possessing 2 protective genes means you are more vulnerable to depression
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That the more high risk genes you possess, the less stressful life events it will take for you to become depressed
Questão 14
Questão
At age 7, Sarah began to demonstrate really sophisticated and eloquent writing skills for someone her age, and was very advanced in mathematics. Her parents noticed these talents and arranged for her to attend gifted and talented programs within the school. What gene-environment correlation does this represent?
Responda
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Passive
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Evocative
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Active
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Inactive
Questão 15
Questão
What are some environmental risks to a child before pregnancy? Select all that apply
Responda
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Mother's genetic makeup
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History of substance abuse, or toxin exposure in the mother or father
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Age of mother and father at time of conception
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Paternal chronic illness
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Inadequate nutrition in childhood or adolescence of the mother
Questão 16
Questão
At what phase during pregnancy is most vulnerable to the impact of teratogens?
Responda
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Foetal
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Germinal
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Embyronic
Questão 17
Questão
At what phase, and how many weeks along, does the heartbeat develop?
Responda
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Germinal period, 2 weeks
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Embryonic period, 3 weeks
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Embryonic period, 4 weeks
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It varies for every child
Questão 18
Questão
How can teratogens impact the foetus during the Foetal period of pregnancy?
Responda
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They rarely influence at this stage of pregnancy
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This is the time they are most susceptible, and major structural abnormalities can occur
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This is the time they are most susceptible, and major structural abnormalities occur in the organ systems
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There is less of an impact, but it is still vulnerable to minor structural abnormalities, as well as damage to certain organ systems
Questão 19
Questão
Which phase of pregnancy is the most rapid period of development?
Responda
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Germinal
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Embryonic
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Foetal
Questão 20
Questão
How many weeks along is it regular for foetus to develop a circadian rhythm?
Responda
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18 - 20
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12
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24
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28
Questão 21
Questão
What are some characteristics of the mother that can impact development during pregnancy? Select all that apply.
Responda
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The dialogue she engages in
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Age
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Short, intense periods of stress
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Prolonged periods of stress
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Physical health
Questão 22
Questão
What are some early risks to postnatal development? Select all that apply
Responda
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Parental temperament
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Toxin exposure during pregnancy
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Premature labour
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Caregiving capacity of parents
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Living circumstances of parents
Questão 23
Questão
A new mother develops postpartum depression, and as a result, takes less care of herself, and further engages in risky behaviours such as excessive drinking or smoking. What is this a good example of?
Responda
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Additive risk model
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Negative factors
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Multiple stressor model
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Cumulative risk model
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