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Imagine hair type is controlled by a single allele. Straight hair is recessive to curly hair. In a cross between 2 people with straight hair, what is the chance of them having a child with curly hair?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
What percentage of offspring in a dihybrid cross of DdFf and ddff are expected to be heterozygous for both traits?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
Dandelions produce seeds that are light weight and blow easily with the wind. Why did the dandelions develop this adaptation?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
Humans in Montana have hunted wolves to the point of extinction. What effect could this have on the deer population in that state?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
What best explains the presence of leg bones in baleen whales?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
Organisms can be classified based on homology, or shared characteristics inherited from a common ancestor. Recently, molecular biologists have been able to compare homologies at the genetic level. Why is this possible?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
Pink flowers result because the alleles for red and white are codominant. When two pink flowers are crossed, what percentage of offspring are red?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
Two remote islands contain 2 different species of palm trees which are similar, but do not interbreed. Which evolutionary process fails to occur?
Deer will become overpopulated because they have fewer predators to contend with.
All organisms share the same nucleotides in their DNA.
25%
The whales descended from a legged ancestor.
Gene flow between species.
25%
0%
Allows the seeds to spread easily to limit competition for limited resources.
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