Heredity

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

What belongs in the missing square of the Punnett square if T = tall and t = short?

Back

tt

Front

What is the probability for white fur if B = brown fur and b = white fur in a Punnett square?

Back

50%

Front

What must the genotype of the missing parent be in the Punnett square if one parent is Bb?

Back

Bb

Front

Which of the following describes a phenotype? A) Aa B) black hair C) heterozygous genes D) mutated DNA

Back

black hair

Front

Define genotype.

Back

The genetic constitution of an individual, represented by alleles (e.g., TT, Tt, tt).

Front

Define phenotype.

Back

The observable physical or biochemical characteristics of an organism, determined by both genotype and environment.

Front

What is a Punnett square used for?

Back

To predict the genotypes and phenotypes of offspring from parental crosses.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene (e.g., AA or aa).

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene (e.g., Aa).