Children Inherit Genetic Syndrome – Genes – Chromosome

Chapter 2 Quiz (Psychology – Children Inherit Genetic Syndrome)

Do children inherit genetic syndrome? Genes and chromosomes are some of the topics covered in this chapter.


Marisol works with people who wish to become parents, helping them determine whether there is a risk that their children will inherit genetic defects and chromosomal abnormalities. This type of work is referred to as _______.

genetic counseling – correct

prenatal diagnosis

amniocentesis

chromosomal analysis


Which factor may cause genes to mutate?

high-fat diet

young maternal age

vitamin deficiency

exposure to radiation – correct


Arlo is a man who produces high levels of testosterone, which results in severe acne and poor coordination. He also has a slender build. What syndrome of chromosomal abnormality does he most likely have?

Turner

Klinefelter’s

triple-X

Jacob’s – correct


A research finding about adopted children is that they ______.

are more likely to have adjustment difficulties – correct

have more educational resources than other children

have more achievements throughout life

children inherit genetic syndrome

show more engagement during class in school


Of the following statements, which is the best description of how genes influence personal characteristics?

Heart disease is so strongly influenced by environmental factors that genes rarely play a role in one’s risk.

Even for traits heavily influenced by genetics, interventions can influence how they are expressed. – correct

Identical twins share 100% of their genes and are therefore 100% alike in personal characteristics.

Monozygotic twins and dizygotic twins are equally similar in terms of genetic inheritance.


Of the following disorders, which is the result of dominant inheritance?

sickle cell anemia

cystic fibrosis

Huntington’s disease – correct

Down syndrome


When multiple genes interact to produce a given trait, this is referred to as ______.

incomplete dominance

heterozygous inheritance

genomic imprinting

polygenic inheritance – correct


When someone has Klinefelter’s syndrome, what are the basic symptoms?

high-pitched voice, feminine body shape, breast enlargement, and infertility – correct

slender build, severe acne, and poor coordination

short stature, small jaws, and extra folds of skin around the neck

short, stocky build, and round face; almond-shaped eyes; and a flattened nose


When multiple genes interact to produce a given trait, this is referred to as ______.

heterozygous inheritance

incomplete dominance

genomic imprinting

polygenic inheritance – correct


Andrew and Alexandra are dizygotic twins. A statement that describes them is that they ______.

originated from the same zygote

are a rare combination in terms of fertilization

must have the same hair color and eye color

share about one half of their genes – correct


The biological process that results in gametes is referred to as ______.

meiosis – correct

gamete transfer

gametosis

mitosis


The reason why both males and females can inherit fragile X syndrome is because ______.

it’s due to a recessive gene that needs to appear on both X chromosomes to be displayed

it’s passed randomly throughout the population, regardless of the X chromosome

it’s passed from father to son and mother to daughter through the X chromosome

it’s due to a dominant gene that needs to appear on only one X chromosome to be displayed – correct


When multiple genes interact to produce a given trait, this is referred to as ______.

heterozygous inheritance

incomplete dominance

genomic imprinting

polygenic inheritance – correct


Andrew and Alexandra are dizygotic twins. A statement that describes them is that they ______.

originated from the same zygote

are a rare combination in terms of fertilization

must have the same hair color and eye color

share about one half of their genes – correct


The biological process that results in gametes is referred to as ______.

meiosis – correct

gamete transfer

gametosis

mitosis


The reason why both males and females can inherit fragile X syndrome is because ______.

it’s due to a recessive gene that needs to appear on both X chromosomes to be displayed

it’s passed randomly throughout the population, regardless of the X chromosome

it’s passed from father to son and mother to daughter through the X chromosome

it’s due to a dominant gene that needs to appear on only one X chromosome to be displayed – correct


Within each cell is a nucleus that contains 23 matching pairs of rod-shaped structures called ______.

chromosomes – correct

genes

deoxyribonucleic acid

genome


What are genes composed of?

phenylalanine

proteins

deoxyribonucleic acid – correct

zygotes


Which condition is acquired through X-linked inheritance?

Huntington’s disease

sickle cell anemia

phenylketonuria

Duchenne muscular dystrophy – correct


The most widely known chromosome disorder is ______.

Jacob’s syndrome

Turner syndrome

Klinefelter syndrome

Down syndrome – correct


Which diagnostic procedure poses a risk to fetal development?

NIPT

fetal MRI

ultrasound

amniocentesis – correct


Prenatal testing is recommended when the pregnant woman is older than age ______.

25

28

30

35 – correct


Which factor contributes to the differences seen in siblings, including fraternal twins?

canalization

niche-picking – correct

reaction range

epigenetics

children inherit genetic syndrome


Much of the genetic material in a human body is in common with other species.

True – correct

False


Turner syndrome is a sex chromosome abnormality that only occurs in females.

True – correct

False


Canalization refers to the extent to which variation among people on a given characteristic is due to genetic differences.

True

False – correct


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