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What is the species of humans?
Homo sapiens
What are the main threats that make the primates be endangered? (at least 2)
Loss of tropical habitat, Human predation, Low reproductive rate
Scientists believe that the first ancestors of humans are from Africa: True or False.
True
What type of social behaviors are present on primates?
Communicating and grooming
Primate that is more like humans in their physical structure and behavior.
Chimpanzees
Down syndrome results due to a nondisjunction leading to a trisomy: True or False
True
If a baby looks more like his dad, that means he has more genes of his dad than his mom. True or False
False
diagram that traces the inheritance of a particular trait through several generations.
Pedigrees
micrograph of pairs of homologous chromosomes arranged in decreasing size.
Karyotype
Albinism is a recessive genetic disorder: True or False
True
There are only recessive genetic disorders: True or False
False
An individual who is heterozygous for a recessive disorder is called a ________
carrier
Who is the father of genetics?
Gregor Mendel
Its the observable characteristic or outward expression of an allele pair.
Phenotype
Which of the next option best discribes an homozygous recessive allele: Rr, RR, rr
rr
An organism wit with two different alleles for a particular trait is _______ for that trait
heterozygous
Form of a single gene passed from generation to generation.
Allele
In which phase of Meiosis I crossing over occurs?
Prophase I
Mention an example of trait
Each characteristic, such as hair color, height, or eye color, etc.
How many pairs of chromosomes are on human body cells?
23
Substances and agents that are known to cause cancer.
carcinogens
Cancer cells spend less time in _________(name of phase) than do normal cells.
interphase
Primates have large brains: True or False?
True
What is the main characteristic that distinguishes primates?
They have flexible hands and feet


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