Genetics Unit Review 2024

Front

What is hemophilia?

Back

Hemophilia is a recessive X-linked disorder that affects the blood's ability to clot.

Front

What genotype represents a female who is a carrier for hemophilia?

Back

X^H X^h

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genotypes of offspring from parental genotypes.

Front

What must the genotype of a missing parent be if the offspring show a dominant trait?

Back

Bb

Front

What does a pedigree chart show?

Back

A pedigree chart shows the inheritance of traits across generations in a family.

Front

If a pedigree shows a recessive disorder, what must the genotype of an affected individual be?

Back

hh

Front

What is the definition of genotype?

Back

Genotype is the genetic make-up; the actual gene pair of an organism.

Front

What is the definition of phenotype?

Back

Phenotype is the observable physical or biochemical characteristics of an organism.

Front

In genetics, what does 'B' represent if 'B = brown fur' and 'b = white fur'?

Back

'B' represents the dominant allele for brown fur.

Front

What is the probability of obtaining white fur from a cross of Bb x Bb?

Back

50%.