Genetics Review (NGSS)

Front

What is a sequence of DNA that codes for a protein and thus determines a trait?

Back

Gene

Front

What is one of a number of different forms of a gene?

Back

Allele

Front

What term describes the physical characteristics of an organism (appearance)?

Back

Phenotype

Front

What is the process in which homologous chromosomes exchange portions of their chromatids during meiosis?

Back

Crossing-over

Front

What term refers to chromosomes in which one set comes from the male parent and one set comes from the female parent?

Back

Homologous

Front

What is the genetic makeup of an organism called?

Back

Genotype

Front

What is the term for an organism that has two identical alleles for a trait?

Back

Homozygous

Front

What is the term for an organism that has two different alleles for a trait?

Back

Heterozygous

Front

What is the process by which DNA is copied to make RNA?

Back

Transcription

Front

What is the process by which RNA is used to make proteins?

Back

Translation