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

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