Category 1
Form of reproduction that provides offspring genetically identical to single parent
Asexual
The condition between conception and birth in which fertilized egg develops in uterus
Pregnancy
An individual has reached full physical and intellectual maturity is called what?
Adulthood
Type of gene that needs one allele to be expressed
Dominant
What is the last stage of human development before adulthood?
Puberty
What are necessary for human reproduction?
Egg and sperm
Immature cells become mature cells with specific functions & characteristics
Differentiation
Passing of traits from parents to offspring
Heredity
A trait that is expressed when both alleles of a gene are the same
Recessive
How many pairs of chromosomes do humans have?
23
What is a male reproductive cell
Sperm
Type of cells that can turn into different types of cells
Stem cells
Observable traits of an organism
Phenotype
Organism with identical pairs of genes for a specific trait
Homozygote
How many weeks does pregnancy last?
About 40 weeks
Process of 2 gametes fusing to create a zygote
Fertilization
When do reproductive organs develop and females begin menstruation?
Puberty
What determines the phenotype?
Genotype
A state or condition that is different from normal
Abnormality
Who have 2 X chromosomes?
Females
Early stage in development of animals or humans
Embryo
Difference between cells or individual organisms caused by genetic factors
Variation
Alternate version of a gene located at a specific position on chromosome
Allele
Disease caused by an abnormality in DNA sequence
Genetic disorder
Who receives recessive genes?
Everyone