13.2 Flashcards
Each set of 23 consists of ___ autosomes and a _____ __ ____
22; single sex chromosomes
Unfertilized egg
Ovum
Sex chromosome, unfert egg
X
Sperm sex chrom
X or Y
The remaining 22 pairs of chromosomes
Autosomes
FeritlIzation
The munition of gametes
Zygote
Fertilized egg
Chromosomes in zygote
One set of chromosomes from each parent
What type of cells do zygotes produce?
Somatic cells by mitosis and develops into an adult
Gametes are the only types of human cells produced by ____
Meiosis
Meiosis result
One set of chromosomes in each gamete
What two processes alternate in sexual life cycles to maintain chromosome number?
Fertilization and meiosis
Gametes are only __ cells in animals
Haploid
Gametes fuse to form a diploid zygote that divides by mitosis to develop in a ______ organism.
Multicellular
