The characteristic that results from a monohybrid cross is the _____ trait.

Answers

Answer 1

Answer: The answer is dominant.

A monohybrid cross involves organisms that are heterozygous for only one character. In autosomal dominant traits, the phenotype is present if both copies of the dominant allele (A) are present (homozygous individuals AA) or only one copy of the dominant allele is present (heterozygous individuals Aa). Thus, the characteristic that results from a monohybrid cross is the dominant trait.

Answer 2

Answer:

Final answer:

The characteristic that results from a monohybrid cross is the dominant trait, which is the trait that is physically expressed in the offspring.

Explanation:

In genetics, a monohybrid cross is when parents differ in only one characteristic, and their offspring's genetic combination will determine the observed trait. The characteristic that results from a monohybrid cross is the dominant trait, meaning it is the trait that is expressed in the organism's appearance. For example, if two plants differ in flower color, one being purple (dominant) and one white (recessive), the offspring of a monohybrid cross would likely show the dominant trait, purple flowers.

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A dependent variable isa. directly changed by the experimenter.
b. manipulated by changes to the independent variable.
c. a variable that is kept constant.
d. a variable that is used as a control

Answers

b.

a dependent variable depends on the independent variable

a dependent variable depends on the independent variable

Estuaries are often highly polluted bodies of water and can be used to measure the overall health of an ecosystem. Devise a logical argument for why estuaries become so polluted and provide at least 2 examples of the importance of estuaries.

Answers

The reason why estuaries have become so polluted is that humans have been piling their various wastes in them. We have introduced chemicals and many waste products that are hazardous or potentially harmful to the estuaries ecosystem.

Estuaries are very important and vital for the ecosystem. They provide two important services that ensure life. They provide water filtration and habitat protection.

I hope it helps, Regards.

How are alleles are passed from the parents to the offspring

Answers

Allels are passed theough reproduction and they are shown by the dominant trait. A homozygous recessive gene is passed to 25% of the second generation if offspring. You can find the genes passed down by using a punnete square

Guppies are small, tropical freshwater fish that display wide variation in coloration. Some have bright splotches of blue, red, and orange, while others are quite drab and dull. Research has shown that females prefer to mate with brightly colored males; however, this trait makes them more likely to be seen. Guppies, like all species, must be able to both survive and reproduce in order to avoid extinction What is one factor that can affect what color trait is selected for a particular environment?

Answers

Gene recombination is the most likely factor which can affect what color trait is selected for a particular environment. Genetic recombination is generally observed in sexual reproduction.

What is Gene recombination?

Gene recombination is a process of producing new combinations of the genetic material which occurs through alleles by the recombination of the DNA molecules in the nucleus. In this process, there is an exchange of genetic material that is DNA (deoxyribonucleic acid) between two different chromosomes or between different regions of the same chromosome in an organism.

Genetic recombination is important as it provides a constant DNA homogenization within a species and, therefore, species integrity as an elementary structure which is responsible for the preservation and rise in the level of ecological stability of the organisms in evolving lineages and increase in the survival rate of the organism.

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After reading the small text about the Guppies and the importance for them to survive and reproduce in order to avoid extinction gave a pretty general idea of the factors that can affect what color trait is selected for a particular environment. These will be listed below:

Answer: Mutation, Sexual reproduction, meiosis/crossing-over, recombination of genes, natural selection, sexual selection.

I hope this helps, Regards.

Humans have developed different dog breeds using the process of selective breeding.How is selective breeding similar to evolution by natural selection?

A.Both are driven by the environment's goals.
B.Both are driven by human goals.
C.Both occur over several generations.
D.Both select for favorable traits in a species.

Answers

The correct answer to the question that is being presented above would be letter d. Both select for favorable traits in a species. The human's development of different dog breeds using the process of selective breeding is similar to evolution by natural selection through selecting for favorable traits in a species.

According to Mendel’s law of dominance, which statement best describes the result of a cross between parents with genotypes Rr and Rr?

Answers

Answer:

C: All offspring with at least one R will have red flowers.

Explanation:

Mendel's Law of Dominance states that: “In a cross of parents that are pure for contrasting traits, only one form of the trait will appear in the next generation. Offspring that are hybrid for a trait will have only the dominant trait in the phenotype.”

This simply means that if there exists two contrasting traits (I.e Rr), one of the traits will always suppress the other, thereby expressing itself. R suppresses r, thus making the offspring with big R have red flowers. The trait is called a dominating trait and the suppressed is called recessive trait.

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