A Punnett square is used to determine the A. result of meiosis. B. result of segregation. C. probable outcome of a cross. D. actual outcome of a cross.

Answers

Answer 1

Answer:

Answer:

C. Possible outcome of a cross

Explanation:

A Punnett square is a tool used in genetics to predict the probable outcomes of a cross between two organisms. It is a visual representation of the possible combinations of alleles from each parent that could be passed on to their offspring. The Punnett square is used to calculate the probability of each genotype and phenotype in the offspring, based on the alleles of the parents. It does not determine the actual outcome of a cross, but rather predicts the probabilities of different outcomes.

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If two substances are chemically combined and there is a release ofenergy, the reaction is described as
a. exothermic.
b. analytic.
c. endothermic.
d. catalytic.

Answers

Answer:

a. Exothermic.

Explanation:

We know that there are several types of chemical reactions. In some reactions, the energy which is absorbed to break down the bonds of the reactants becomes less than the energy which is released at the time of forming new bonds of the products.

This means that in the whole reaction, energy is released as either light or light. This type of reaction is called an exothermic reaction.

A gene is a subunit of information on a chromosome true or false?

Answers

The gene, is in fact the subunit of information on a chromosome, so this is a true statement. A chromosome is a structure that occurs within cells. It contains the cell's genetic material, which determines how an organism develops. For example, if we are talking about DNA, its molecule is a very long, coiled structure that contains many identifiable subunits known as genes.

the answer is true

hope this helps!!

The physical appearance or the way a gene looks is known as its.... A. Gene B.Allele C.Phenotype D.genotype

Answers

C. phenotype. Phenotype is the physical appearance. I use PH and PH to help me remember.

Where is the Golgi Body in an animal cell?

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Answer:

The Golgi apparatus, also called Golgi complex or Golgi body, is a membrane-bound organelle found in eukaryotic cells (cells with clearly defined nuclei) that is made up of a series of flattened stacked pouches called cisternae. It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus.

Explanation:

8. A narrow region between two air masses of different densities is a A. ridge. B. system. C. gulley. D. front.

Answers

The answer is d. front. A front is the narrow region between two air masses of different densities. The interaction of the air masses cause the mass that is less dense to rise. Once air rises it cools and condenses to form clouds and eventually leads to precipitation. Using cold fronts as an example, the denser mass of cold air forces the lighter warm air to rise.

Explain the relationship between adaptation natural selection & evolution

Answers

Adaptations are the result of evolution in different living organisms. This process occurs amazingly through gene mutation but it takes a very long period in time. Adaptation processes occur to help species survive and thrive in the ecological balance of life. Structural adaptations are physical features of an organism that adapted through time. An example of this are the bills of a bird and the fur of bears that they generally need for their survival; birds for hunting, and bears to protect them from low climate areas.

Natural selection is a process by which organisms better adapted to their environment tend to survive, reproduce, increase in number, and pass their traits to succeeding generations. Adaptations are inherited or learned traits that increase an organism's chance of survival in an environment. Evolution is a process of change in a population through genetic variation over time. Natural selection drives evolution.

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