Simple Genetics

Front

What type of allele causes Huntington's Disease?

Back

Dominant

Front

What is the genotype for homozygous dominant?

Back

PP

Front

What is an alternative form of a gene called?

Back

Allele

Front

If one cat is heterozygous (Ss) and the other is homozygous (ss), what is the probability of long-haired offspring?

Back

50%

Front

In a Punnett square, what is the probability of offspring with white fur if B = brown fur and b = white fur?

Back

50%

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

What is a genotype?

Back

The genetic makeup of an organism.

Front

What is a phenotype?

Back

The physical expression of a genotype.

Front

What is a Punnett square used for?

Back

To predict the genetic outcomes of a cross between two organisms.