Chromosomes Flashcards
what do chromosomes carry?
Genetic information
How many chromosomes do humans have?
46 chromosomes, 23 pairs
What type of chromosome does the mother contain? What type of chromosome does the father contain? Who determines the child’s gender?
Mother carries X chromosomes. Father carries an X or a Y chromosome. Father determines the gender
What happens if someone has an abnormal amount of chromosomes?
Genetic disorder such as down syndrome or trisomy
What does hereditary mean?
Information found in cells that is passed down from parents to their offspring
Sort from smallest to biggest:
Cell, chromosome, nucleus, gene
Gene, chromosome, nucleus, cell
What is the difference between a gene and chromosome?
Gene: a unit of hereditary information that occupies a specific place within a chromosome
Chromosome: a component within the nucleus of a cell
Which of the following is false
a) a gene is a part of a chromosome
b) genes determine hereditary characteristics
c) chromosomes are part of genes
d) chromosomes determine hereditary characteristics
c) chromosome aren’t part of genes, genes are part of chromosomes