Examlex
Teratogens increase the risk of harm but do not always cause damage.
Nondisjunction
Failure of chromosomes to separate properly during nuclear division.
Homologous Chromosomes
Pairs of chromosomes in a diploid organism that are similar in shape, size, and gene content.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays, physical growth limitations, and distinctive facial features.
Chromosome 21
The smallest human chromosome, abnormalities in which can lead to Down syndrome.
Q21: Bill moved across the country to advance
Q40: Peter's mother is a native Spanish speaker,and
Q54: A developing human organism from the start
Q79: In which of Piaget's sensorimotor stages do
Q97: Research indicates that infants reach the stages
Q128: The MOST common extra-chromosome condition is:<br>A) Down
Q169: The six outer layers of the brain,involved
Q172: In the past,there were 20 times more
Q178: In terms of visual acuity,newborns:<br>A) possess 20/20
Q184: Abraham Maslow believes that the elderly can