The frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.
<h3>What are recessive alleles?</h3>
Recessive alleles differ from dominant alleles in not being able to express themselves in heterozygotes. These alleles are only expressed in the phenotype if they are present in pairs, that is, they must be in homozygosity.
With this information, we can conclude that the frequency of recessive yellow beans resulting from a cross between two heterozygous plants is 25%.
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Answer:
A DNA barcode is a short, standard gene segment of an organism that has been identified in a gene bank, used to identify unknown species by comparison with the DNA sequence of the gene bank. .
<u>Answer:</u>
Organisms C and D are more closely related than
Organisms A and B
<u>Explanation:</u>
Organisms A and B are not related much as the distance between them is more than the organisms C and D so the C and D are closer than A and B. The phylogenetic tree shows the biological evolutionary relationship among various biological species. So the given tree shows the relationship as mentioned above.
It also show the physical and genetic relationship among the various biological species. The phylogeny is generally shown by using a particular phylogenetic tree. For example, the simple one below which describes the different evolutionary relationships between the great apes. The genus Pongo includes orangutans, Pan includes chimpanzees and bonobos, and Homo includes humans, while Gorilla is self-evident.
Answer:
B
Explanation:
More substances dissolve in water than in any other chemical. this is because of the polarity of its molecules. H²0 has a small positive electronic charge and the oxygen side has a small negative charge. the negative and positive charges help water dissociate ionic compounds into them.
Answer:
Circulatory system: Includes the arteries
Pumps blood
Includes the heart
Raspatory system : Provides oxygen to the blood
Preforms breathing
Includes the lungs
Explanation:
