F215.1.2 Meiosis and Variation Biology Revision Cards

What happens during prophase 1?

What happens in metaphase 1?

What happens during anaphase 1?

What happens during telophase 1?

What happens during prophase 2?

What happens during metaphase 2?

What happens during anaphase 2?

What happens during telophase 2?

Allele (definition)

Locus (definition)

Phenotype (definition)

Genotype (definition)

Dominant (definition)

Co-dominant (definition)

Recessive (definition)

Linkage (definition)

Crossing-over (definition)

How does meiosis lead to variation?

How does fertilisation lead to variation?

What is sex linkage?

What is co-dominance and what is an example of it?

What is epistasis?

What is recessive epistasis?

What is dominant epistasis?

What is the phenotypic ratio in breeding two heterozygous dihybrid organisms together?

What is the phenotypic ratio in recessive epistasis?

What is the phenotypic ratio in dominant epistasis?

What is the chi-squared test?

What is discontinuous variation?

What is continuous variation?

How does the number of genes/alleles influence discontinuous variation?

How does the number of genes/alleles influence continuous variation?

How does the genotype and the environment of an organism effect phenotypic variation?

Why is variation essential in selection?

What is the Hardy-Weinberg principle?

What is directional selection?

What is stabilising selection?

What is genetic drift? How does it cause large changes in small populations?

How does an isolating mechanism cause the evolution of a new species?