Biology, 20.02.2020 22:27 zacharysharpe2805
Brown eyes are dominant over blue eyes. If two brown eyed parents have a child with blue eyes, what does it mean about
parent's genotype?
•
A. They must both be homozygous dominant.
•
B. One must be heterozygous.
• °C. They must both be heterozygous.
•
D. One must be homozygous recessive.
Answers: 1
Biology, 21.06.2019 15:00
If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.
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Biology, 21.06.2019 22:00
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
Answers: 2
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 21:00
A. describe the scientific method, using pasteur's swan-necked flask experiment as an example.
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Brown eyes are dominant over blue eyes. If two brown eyed parents have a child with blue eyes, what...
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