Exam 2: Genetic Bases of Child Development

The fact that children with genes for average intelligence can actually develop either below-average,average,or above-average intelligence depending on their experiences best illustrates which of the following themes of development?

Which of the following is the best example of a phenotype?

In vitro fertilization

Sadie is depressed.You would be most likely to find that

Adoption studies may be flawed because

The environmental forces within a family that make children different from one another are referred to as

In adoption studies,if a behaviour has genetic roots,adopted children should behave more like their biological parents than their adoptive parents.

Peter has Klinefelter's syndrome.He is likely to be

Results of twin and adoption studies suggest that genetics strongly influence

Benji has the genotype for phenylketonuria.Which of the following statements is true?

The most appropriate time for a couple with concerns about their genetic background to seek genetic counselling is

Describe phenylketonuria.What is it,its causes,its symptoms,and treatment?

Lucas has one allele for normal blood cells and one allele for sickle-shaped cells.Lucas' blood cell alleles are

Name and briefly describe some common disorders associated with recessive alleles.

Inherited disorders

Recessive alleles are responsible for

A fertilized egg contains ________ chromosome(s).

We have 23 pairs of chromosomes.Twenty-two pairs are called autosomes and the 23ʳᵈ pair is known as the sex chromosomes.

Although environmental factors are important,they usually affect each child in a unique way,which makes siblings differ.

An individual's physical,behavioural,and psychological features are known as one's