CDE 7 - Child Growth and Development » Spring 2021 » Chapter 2

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Question #1
Which is an example of an Autosomal Dominant Disorder?
A.   Fragile X syndrome
B.   Huntington's disease
C.   Nearsightedness
D.   Down syndrome
Question #2
Most of the cells in the body are created by:
A.   Genotypes
B.   Mitosis
C.   Epigenetics
D.   Meiosis
Question #3
An example of a recessive disorder is:
A.   Huntington’s Disease
B.   Down syndrome
C.   Tay Sachs Disease
D.   Fragile X syndrome
Question #4
Gabby received good quality prenatal care from the care team at her local hospital. She was encouraged to avoid all of the following except:
A.   All prescription drugs
B.   Radiation
C.   Hot tubs
D.   Tobacco
Question #5
Individuals have 23 _____ in every cell of the body.
A.   Pairs of genes
B.   Chromosomes
C.   Pairs of chromosomes
D.   Genes
Question #6
_____ refers to a result of many factors, both genetic and environmental.
A.   Genotype
B.   Polygenic
C.   Multifactorial
D.   Monozygotic
Question #7
Fewer than _____ percent of all zygotes survive beyond the first two weeks.
A.   75
B.   50
C.     
D.   10
E.   25
Question #8
In the science of human development, nature refers to:
A.   Environmental influences
B.   Developmental differences
C.   Patterns of development
D.   A person’s genetic makeup
Question #9
If a newborn inherits 45, 47, or even 48 or 49 chromosomes instead of the usual 46 it is referred to as:
A.   Hemophilia
B.   Sex-linked disorder
C.   Polygenic disorder
D.   Autosomal Chromosome Disorder
Question #10
The most common cause of chromosomal abnormality is the:
A.   Genotype
B.   Age of the mother
C.   Phenotype
D.   Age of the father
Question #11
Identical twins share:
A.   The same phenotype but a different genotype
B.     
C.   The same genotype but a different phenotype
D.   The same genotype and the same phenotype
E.   A different genotype and a different phenotype
Question #12
The fetus develops reflexes like sucking and swallowing during the:
A.   6th month
B.   3rd month
C.   5th month
D.   4th month
Question #13
Pregnancy and birth complications are more likely when:
A.   A mother is over age 35
B.   A mother is unmarried
C.   A baby is female
D.   A baby is full term
Question #14
Your genotype is ____________; your phenotype is ___________:
A.   The features that are expressed; the genes that are inherited
B.   The genes that are inherited; the features that are expressed
C.   The features that are inherited from your mother; the genes that are inherited from your father
D.   The genes that are inherited from your mother; the features that are inherited from your father
Question #15
Normal human cells contain 46 _____ (or 23 pairs; one from each parent)
A.   Genotype
B.   Chromosomes
C.   Zygote
D.   Allele
Question #16
_____ refers to a mutated gene carried on the X chromosome.
A.   Sex-linked disorder
B.   Recessive disorder
C.   Polygenic disorder
D.   Multifactorial disorder
Question #17
The germinal period ends approximately _____ after conception.
A.   2 days
B.   2 weeks
C.   12 weeks
D.   3 months
Question #18
A prenatal assessment that involves a small sample of cells taken from the placenta for testing is called
A.   Amniocentesis
B.   Ultrasound
C.   Rh factor
D.   Chorionic villus sampling

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