A plant with round seeds is crossed with another plant with round seeds. Round are dominant over oval seeds. When two heterozygous round-seeded plants are crossed, what is expected of their offspring, assuming random chromosome segregation?

Answers

Answer 1

Answer: Because the plants are heterozygous their alleles will be Ss (for example) Therefore if you crossed them over your possible outcome would be SS, Ss, Ss, and ss. Because the round seeds are dominant (shown as the capital S) this means that if the S is shown then the plant will have ROUND seeds. Therefore in this situation 3/4 of all the offspring would have round seeds.

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What is the primary product of light independent reactions

Answers

The primary products of the light independent reactions (after one turn of the cycle) are:

a) two G3P molecules

b) three ADP

c) two NADP+

However ADP and NADP+ are not really "products". They are regenerated and later used again in the Light-dependent reactions. Each G3P molecule is composed of three carbons.

For the Calvin cycle (Light independent cycle) to continue, 5 out of the 6 carbons provided by the two G3P molecules are used to regenerate ribulose 1, 5 phosphate. Therefore there remains only one carbon for the next turn of the cycle.

One molecule of glucose requires 6 turns of the cycle. Any extra G3P is used to make starch, sucrose and cellulose.

The phenotype frequency in a population changes after each generation. Which would most likely be causing this?

Answers

Answer:

competition between organisms

Explanation:

apex

Could be because of natural selection(favoring a particular phenotype over the rest) or maybe genetic drift or gene flow.

What relationship does a lamprey attached to another fish have with that fish?a. mutualism
b. parasitism
c. competition

Answers

Answer:

Parasitism

Explanation:

Parasitism may be defined as a biological interaction in which one organism (parasite) lives on the body of other organism (host). The parasite can directly obtained ready-made food from the host.

Lamprey attaches with another fish , can directly obtain nutrient and may cause harm to fish. Here, lamprey is parasite and the fish acts as a host for lamprey.

Thus, the correct answer is option (b).

Lampreys are parasitic fish, so the relationship is also parasitic.

Which term best describes the change from more light-colored moths to more dark-colored moth

Answers

The answer is industrial melanism.

During the Industrial revolution, due to pollution, trees become darker in the urban area. Light-colored moths were, thus, easy prey. The dark-colored moths were able to camouflage on dark trees and avoid predators. The phenomenon is known as industrial melanism. So, in polluted urban areas, the number of dark-colored peppered moths increased. In the clean environment, were much effective in hiding from predators and they outnumbered the dark-colored moths.

Answer: acquired

Explanation:

The act of speech is termed

Answers

Answer:

The acts speakers perform when they make an utterance are called speech acts.

A speech act is an utterance that serves a function in communication. We perform speech acts when we offer an apology, greeting, request, complaint, invitation, compliment, or refusal. ... Here are some examples of speech acts we use or hear every day: Greeting: "Hi, Eric.

Explanation:

One important area of pragmatics is that of speech acts, which are communicative acts that convey an intended language function. Speech acts include functions such as requests, apologies, suggestions, commands, offers, and appropriate responses to those acts.

Answer: Phonation

Explanation:

The rock cycle includes all of the steps except which of the followinga) magma or lava cools b)sediments melt deep beneath Earth's surface
c) extreme heat and pressure form metamorphic d) Rocks at Earth's surface are broken down into smaller pieces.

Answers

B is the correct answer.

Sediments do not melt deep beneath the surface during the rock cycle.

Answer:

options 1 and 2

Explanation:

i got them right on edge

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