dna Flashcards
where is dna
coiled up in the nucleus in a cell
what is the female and male sex chromosomes
XX female
XY male
what is a gene
a small section of dna that codes for proteins / sequence of amino acids
what is a genome
entire genetic material of an organism
what is an allele
different version of a gene
what is the same allele called
homozygous
what is a different allele called
heterozygous
what alleles are within heterozygous
dominant
recessive
what is cystic fybrosis
disfunction of a cell membrain
what does cystic fibrosis do
produces extra mucus -> clogs airways -> causes infection
what does cystic fibrosis affect
lungs , digestive system
what are consequences of cystic fibrosis
poor growth , difficulty breathing
what type of allele causes cystic fibrosis
recessive allele ( eg cc)
can you be a carrier of cystic fibrosis
YES! Cc is carrier
what is polydactyl
condition where u have extra fingers or toes
