Genetics

Front

What is a homozygous recessive genotype?

Back

A genotype consisting of two identical recessive alleles, such as 'dd'.

Tags

NGSS.HS-LS1-1

Front

What is a phenotype?

Back

The observable physical traits of an organism, such as flower color or height.

Front

What is a heterozygous genotype?

Back

A genotype consisting of two different alleles, such as 'Gg'.

Tags

NGSS.HS-LS3-2

Front

What is a gene?

Back

A section of DNA that codes for a specific protein or trait.

Front

What does it mean for an allele to be dominant?

Back

An allele that expresses its trait even when only one copy is present in the genotype.

Front

What does it mean for an allele to be recessive?

Back

An allele that only expresses its trait when two copies are present in the genotype.

Front

What is the genotype of a green pea plant with the genotype 'Gg'?

Back

The genotype is heterozygous.

Front

What is the genotype of a yellow pea plant with the genotype 'gg'?

Back

The genotype is homozygous recessive.

Tags

NGSS.HS-LS3-2

Front

If a green pea plant (Gg) is crossed with a yellow pea plant (gg), what are the possible genotypes of the offspring?

Back

50% heterozygous (Gg) and 50% homozygous recessive (gg).

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the physical expression of traits.

Tags

NGSS.HS-LS1-1