Answer:
Your correct answer is B 50% Hh, 50% hh
Explanation:
Since the male is heterozygous he has the genotype Hh and since the female is a homozygous
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Answer:
B, 50% Hh and 50% hh
Explanation:
Since the male is heterozygous he has the genotype Hh and since the female is a homozygous recessive her genotype is hh, together in a punnet square you will get this answer
Mosquitoes became resistant to DEET through mutation and natural selection.
Natural selection selects beneficial alleles, which increase their frequency in the population, resulting in adaptation. Aptitude, which is the contribution of each genotype to the next generation, increases too.
In many cases adaptations, resulting from the natural selection process can be correlated to environmental factors or selective pressures applied by other organisms or habitats.
The DEET repellent is the selective pressure or modeling environmental factor.
Some mosquitos had mutations that altered their behavior.
The new mosquito's response is not-detection of repellent presence (only in those harboring the mutations).
These mutations benefit from natural selection.
Mosquitoes live and adapt to their environment.
Some mosquitos in the population most likely developed a mutation that favored them.
DEET, a repellent, was not detected. These individuals gained resistance to the chemical and were able to survive and reproduce, resulting in an increase in population size. Natural selection favored the resistance-inducing mutation.
Repellents may cause a genetic change in insects, causing them to be unable to detect the chemical. Insects have evolved to be able to tolerate the DEET dose that is commonly used to repel mosquitos.
Learn more about mosquito adaptation here:
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The different forms a gene may have for a trait are called alleles. These are variations of a gene present on homologous chromosomes. A trait in an individual is determined by the two alleles inherited from their parents.
The different forms a gene may have for a trait are called alleles. These are variations of a gene that occur at the same relative locations on homologous chromosomes. For example, in a diploid organism where a single gene controls a characteristic, there can be two genetic copies, or alleles, that may or may not encode the same version of that characteristic.
A slight change in the sequence of nucleotides within a gene can result in different alleles that code for different traits. For instance, the different alleles for the gene that determines blood type in humans are sequence A, sequence B, and sequence O. The blood type is a trait determined by the two alleles that are inherited from the parents.
It's important to note that while an individual can only have two alleles for a given gene, it's common in a natural population to encounter more than two alleles for any given gene, a phenomenon referred to as multiple alleles.
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