Heredity and Genetics Review

Portions of DNA that can code for a characteristic are called?

• Codons

• Genes

• Sarcomeres

• Chromatids

Tags

NGSS.HS-LS3-1

Height, hair color, and ability to roll your tongue are all examples of?

• Genes

• Mesomorphs

• Traits

• Anti-codons

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A variation of a gene for a specific trait is called?

• sister chromatid

• characteristic

• allele

• ectomorph

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Organisms that inherit one allele of a dominant trait _____ display that trait

• will

• will not

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Organisms that inherit one allele of a recessive trait _____ display that trait

• will

• will not

Tags

NGSS.HS-LS3-1

Upper case letters represent ______ alleles.

Lower case letters represent ______ alleles.

• recessive; dominant

• dominant; recessive

The 2 alleles (1 inherited from each parent) make up an organism's _______

• phenotype

• genotype

• xenotype

• agrotype

Tags

NGSS.HS-LS3-1

When writing genotypes, the dominant allele is always listed _____ the recessive allele.

• after

• before

The physical characteristics of an organism that is determined by the genotype is called?

• xenotype

• exotype

• phenotype

• glycotype

Tags

NGSS.HS-LS1-1

_________ genotypes occur when an organism has 1 dominant allele and 1 recessive allele.

• Homozygous

• Heterozygous