Week 3.5 Review Mendelian Genetics

Front

What is the genotype for a purple flower if green is dominant?

Back

gg

Front

What is the phenotype of an organism with the genotype BB?

Back

blue

Front

What are dominant alleles represented by?

Back

capital letters

Front

What is a phenotype?

Back

The physical appearance of an organism.

Front

What is the probability of offspring having short tusks when a heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant?

Back

50%

Front

What does homozygous mean?

Back

Having two identical alleles for a trait.

Front

What does heterozygous mean?

Back

Having two different alleles for a trait.

Front

What is the difference between genotype and phenotype?

Back

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

Front

What is a recessive allele?

Back

An allele that is masked by a dominant allele.

Front

What is the purpose of a Punnett square?

Back

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