Genetics/Meiosis Flashcards
Human cells have …
23 chromosome pairs
The chromosome complement (profile) of a cell is known as the …
Karyotype
The non-sex chromosome are known as …
Autosomes
DNA is composed of a long string of …
Nucleic acids
The DNA molecule is a …
Double helix
A single gene is …
A section of DNA
The overall function of gene is to provide the code for cells to make …
Proteins
Meiosis only occurs in …
Testis and ovary
Which of the following is not a function of the cell cycle:
Production of 2 daughter cells, faithful replication of DNA, coordination of cell chemistry, phagocytosis
Phagocytosis
A persons genotype is the …
Information from the genes
A persons phenotype is the …
Observable characteristics
A recessive trait appears in a person when …
Both recessive genes are present
A change in the genetic make-up of a cell is known as a …
Mutation
X-linked disorders such as haemophilia are …
Sex linked
Autosomal recessive disorders such as cystic fibrosis and sickle cell disease occur when each parent contributes …
A single recessive gene
