Biology Midterm 24-25

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

X^H X^h

X^h Y

24

A Punnett Square is used to predict the genotypes of offspring from a genetic cross.

2Bb:2bb

A genotype is the genetic constitution of an individual, represented by the alleles inherited from parents.

A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

Bacteria are becoming more resistant to the antibiotics that are being prescribed.

Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.