Genetics

Front

What is a heterozygous genotype?

Back

A heterozygous genotype consists of two different alleles for a particular gene, such as Bb.

Front

What does a lowercase letter represent in a Punnett square?

Back

A lowercase letter represents a recessive allele.

Front

What is the chance of a white guinea pig being born from a black guinea pig (BB) and a white guinea pig (bb)?

Back

0% chance.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Where are the parent alleles written in a Punnett square?

Back

Outside of the boxes (top and left side).

Front

What phenotype do the genotypes AA and Aa show?

Back

Dominant phenotype.

Tags

NGSS.HS-LS3-1

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.

Tags

NGSS.HS-LS3-2

Front

What is a phenotype?

Back

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genetic outcomes of a cross between two organisms.

Tags

NGSS.HS-LS3-1