Overview of Meiosis and Genetic Diversity

Flashcards focused on key concepts and terms related to meiosis and genetic diversity.

Meiosis produces genetically unique offspring through the mating of 2 people with __ possible genetic combinations.

70 trillion

Meiosis begins formation of gametes: in males and in females.

spermatogenesis; oogenesis

A karyotype is a __ of paired chromosomes.

picture

Humans have __ pairs of chromosomes in a diploid cell.

23

In humans, male sex chromosomes are represented as and .

X; Y

Homologous chromosomes can have different versions of the same gene, known as __.

alleles

Meiosis halves the chromosome number from to .

2N; N

During synapsis, non-sister chromatids may exchange genetic information, a process known as __.

crossing over

Crossing over increases __ diversity and thus offspring diversity.

gamete

Nondisjunction can occur when chromosomes fail to __ correctly during meiosis.

separate