Intro to Genetics

Front

In a Punnett square, a lower case letter stands for a ____________ allele.

Back

recessive

Front

Bb is a ______.

Back

genotype

Front

Recessive alleles are-

Back

lowercase

Front

The trait that is hidden

Back

Recessive

Front

Blue-eyed is a ______.

Back

phenotype

Front

What is the definition of genotype?

Back

The genetic constitution of an individual, represented by letters (e.g., Bb).

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Front

What is the definition of phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Tags

NGSS.HS-LS3-2

Front

What does a dominant allele do?

Back

It masks the effect of a recessive allele in a heterozygous genotype.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous means having two identical alleles for a trait (e.g., AA or aa), while heterozygous means having two different alleles (e.g., Aa).

Front

What is a Punnett square used for?

Back

To predict the genotypes and phenotypes of offspring from a genetic cross.

Tags

NGSS.HS-LS3-2