What is the main characteristic that distinguishes primates?
They have flexible hands and feet
Primates have large brains: True or False?
True
Cancer cells spend less time in _________(name of phase) than do normal cells.
interphase
Substances and agents that are known to cause cancer.
carcinogens
How many pairs of chromosomes are on human body cells?
23
Mention an example of trait
Each characteristic, such as hair color, height, or eye color, etc.
In which phase of Meiosis I crossing over occurs?
Prophase I
Form of a single gene passed from generation to generation.
Allele
An organism wit with two different alleles for a particular trait is _______ for that trait
heterozygous
Which of the next option best discribes an homozygous recessive allele: Rr, RR, rr
rr
Its the observable characteristic or outward expression of an allele pair.
Phenotype
Who is the father of genetics?
Gregor Mendel
There are only recessive genetic disorders: True or False
False
Albinism is a recessive genetic disorder: True or False
True
micrograph of pairs of homologous chromosomes arranged in decreasing size.
Karyotype
