PEDI--EXAM 1 Flashcards
(212 cards)
The entire DNA sequence of an individual and the study
genome
the set of 46 chromosomes contains 22 pairs of _____.
autosomes
how many copies of autosomes?
2!
one from mom & one from dad
members of a chromosome pair are called
homologous chromosomes
which chromosome pare are the sex chromosomes?
23rd pair
picture of an individual’s chromosomes
karyotype
takes place in somatic or tissue cells of the body and represents how the body makes new cells.
mitosis
fertilized ovum
zygote
is also known as reduction division of the cell
meiosis
occurs only in the reproductive cells of the testes and ovaries and occurs only in the reproductive cells of the testes and ovaries and results in the formation of sperm and oocytes
meiosis
the formation of sperm and oocytes
gametes
a segment of a chromosome that can be identified with a particular function, most commonly production of one or more proteins
gene
different forms or versions of the nucleotide sequence because each gene copy is inherited form each parent
alleles
an individual who has two functionally identical alleles of a gene
homozygous
an individual who has 2 different alleles of the gene is said to be
heterozygous
may be apparent as a trait, such as curly hair or straight hair, or as signs or symptoms of a disease
phenotype
each individuals particular set of genes represents their _____.
genotype.
which statement indicates correct information has been given to the parents of a child having genetic screening? autosomal recessive characteristics:
affect males and females equally
in discussing concerns with a pregnant woman, which information is crucial for the nurse to collect to ensure the most accurate genetic information is available? select all that apply
- a family medical history 3 previous generations
- relationships btw any affected family members
- the birth history for any siblings of the baby
- a medical history for both mother and father
hyponatremia genetic referral concern?
speech problems
which will best facilitate genetic information from a child?
implement developmentally appropriate assessment skills
freud’s stages of development
oral anal phallic latency genital
age for oral
birth to 1 year
age for anal
1-3