Genotypes and Phenotypes

Front

A genotype is _____________

Back

a combination of alleles

Tags

NGSS.HS-LS1-1

Front

A phenotype is ___________

Back

the physical appearance of an organism

Front

The genotype TT is __________

Back

homozygous dominant

Front

Pea plants have two alleles for height: (T) for tall and (t) for short. What would the phenotype be for a pea plant that is heterozygous for the height gene?

Back

Tall

Tags

NGSS.HS-LS3-1

Front

Which of these genotypes is homozygous recessive? (RR, Rr, rr)

Back

rr

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

What is an allele?

Back

A variant form of a gene.

Front

What is the relationship between genotype and phenotype?

Back

Genotype determines the phenotype, which is the observable trait.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Front

If a plant has the genotype Tt, what are the possible phenotypes?

Back

Tall (dominant trait) or short (if t is expressed in homozygous recessive).

Tags

NGSS.HS-LS3-1