Genetics

A gene that is expressed only in the homozygous state. ​ (a)  

The study of how traits are passed from parent to offspring.

(a)  

Match the genotypes to the correct category.

The physical features of an organism.

Draw a Punnett Square.

In a pea plant, a tall plant, P is dominant to short plant, p.

Cross Pp x pp

What are the possible genotypes in this cross?

Genetic makeup of an organism

(a)  

A ​ (a)   genotype is made of two different alleles, resulting in the appearance of a ​ (b)   allele.​

Different forms of genes for a single trait.

(a)  

The ability to roll your tongue is a dominant trait. If the mother is homozygous dominant and the father is heterozygous, what are the possible phenotype(s) of the offspring?