True or false: When two populations have undergone allopatric speciation long enough to have a difference of one fixed allele between the two populations, they are sufficiently different to be considered two different species
A. true
B. false
B
You might also like to view...
If a genetic disorder appears in a family with no prior history, and is fully expressed by everyone carrying that allele, it
is most likely a(n) ____ trait. a. autosomal dominant b. autosomal recessive c. X-linked recessive d. Y-linked e. mitochondrial
What type of organism possesses multiple sets of chromosomes from different species?
a. a polygamete b. an allopolyploid c. an autopolyploid d. a hybrid polyploid e. a heterozygous polyploid
According to most car mechanics, plain water is the best coolant to use in an engine provided the engine is not being exposed to freezing temperatures. If the car is subject to freezing temperatures then a mixture of water and ethylene glycol (antifreeze) is recommended but it does not cool as efficiently as plain water. Why would ethylene glycol reduce the cooling efficiency of water?
A. Hydrogen bonds in water allow high levels of heat absorption and a large increase in temperature. B. Ethylene glycol raises the freezing point of water. C. Ethylene glycol has a lower heat capacity than water. D. Ethylene glycol has a higher heat capacity than water.
All bacteria and archaea are microorganisms, but only some eukaryotes are microorganisms.
Answer the following statement true (T) or false (F)