STAAR Biology Genetics

This trait always shows up in an organism when the allele is present

• dominant allele

• codominance

• probability

• recessive allele

An Austrian monk who studied pea plants and established the laws of heredity; the father of modern genetics.

• Charles Darwin

• Gregor Mendel

• James Watson

• Robert Hooke

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

What is the definition of genotype?

• The physical expression of a trait

• The genetic combination of alleles 

• the genes on a DNA strand

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

What is the definition of phenotype?

• The physical expression of a trait

• The genetic combination of alleles

• A gene on the DNA strand

Tags

NGSS.HS-LS1-1

The condensed form of DNA is called________________

• an allele

• a gene

• a chromosome

• a phenotype

Where, in the eukaryotic cell, is DNA located?

• ribosomes

• nucleus

• E.R.

• cytoplasm

Tags

NGSS.MS-LS1-2

If green is dominant over purple, then what is the genotype for this individual?

• Purple

• Green

• GG

• gg

Tags

NGSS.MS-LS3-1

If something is heterozygous, it is also...

• purebred

• hybrid

• dominant

• recessive

Another word for homozygous is...

• purebred

• hybrid

• heterozygous

• dominant

Recessive alleles are-

• capital

• lowercase

• both

• neither