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sdas [7]
3 years ago
5

The differences observed in the bird beaks are most likely due to

Biology
1 answer:
Vika [28.1K]3 years ago
8 0

B) the selection for different shaped beaks that best suit different niches

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In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
Dvinal [7]

Answer:

Phenotype genotype Number of individuals

Red RR 245

Pink Rr 210

White rr 45

Number of alleles in total

R = 245 + 245 + 210 = 700 ---> 700/1000= 0.7 R frequency

r = 210 + 45 + 45 = 300 -----> 300/1000 = 0.3 r frequency

Predict (Hardy Weinberg) genotype frequencies=

p^2 + 2pq + q^2 = 1

p= 0.7

q=0.3

0.49 + 0.42 + 0.9 =1

According Punnett Squares in F1 we have=

Rr* rr = Rr 50% and rr 50%

4 0
3 years ago
In ____, several sets of alleles control the phenotype and each dominant allele present codes for a product which has a quantita
tatuchka [14]

Answer:

Polygenic inheritance

Explanation:

Polygenic inheritance occurs when a genetic trait is regulated by more than one genes. All the alleles of these genes together determine the phenotype of the organism for the polygenic trait. Here, the phenotype is regulated by the total number of dominant alleles for all the genes that regulate a polygene trait.

For example, human skin color is a polygenic trait. The final phenotype depends on the total number of dominant alleles of all the genes that regulate the skin color in human.  

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Hich statement best describes the components of nucleic acids? They are made up of chains of amino acids. They are made up of ca
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They are made up of nitrogen bases,sugars,and a phosphate group
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The ploidy level of the spores produced in the sporangium is haploid 

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