B2.5 Flashcards

Which type of cell division produces two identical cels from the original cell?

What type of cells are produced by meiosis?

Explain how four gametes are formed from one cell

Where are stem cells found in adult humans?

Which scientist worked out how characteristics are inherited?

What does a gene code for?

Which sex chromosomes are found in human males?

What is meant by the term 'phenotype'?

Name a genetic disorder which is controlled by a dominant allele

What are the chances of a child having cystic fibrosis if one parent has the disorder and the other parent is heterozygous?

What is embryo screening?

Why do cells divide by mitosis?

How many chromosomes does a human have in each body cell?

Which type of cell division produces sex cells?

What molecule are genes made of cells?

What are 'alleles'?

Why does sexual reproduction result in variation?

Explain why offspring produced by asexual reproduction are genetically identical

What is meant by the term 'genotype'?

What do we mean by a 'heterozygous' individual?

What are the chances of a child having polydactyly if one parent is heterozygous and the other parent is homozygous recessive?