An organism is homozygous dominant for one trait and heterozygous for another. A scientist uses this organism in a dihybrid cross. How many different allele combinations can the organism produce for these traits in his or her gametes

Answers

Answer 1

Answer: Basically there are only 2 unique different allele combinations that this organism can produce in their gametes for these traits. They are AB and Ab.

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Brad and Matt are working in the lab. They noticed that when they mixed two dilute solutions together, the reaction between them happened very slowly. The following are Matt's suggestions. Which one would BEST help to increase the rate of this reaction?A) increase the concentration of both solutions
B) decrease the concentration of both solutions
Eliminate
C) increase the concentration of one of the solutions
D) decrease the concentration of one of the solutions

Answers

Answer:

A.) increase the concentration of both solutions

Explanation: this is the correct answer

A spider's chelicerae secret sticky strands of silk. true or false?

Answers

False.

Spiders secret sticky strands of silk from spinnerets. Spinnerets are appendages at the end of the spider's abdomen.

why was it important for mendel to study such a large sample of pea plants to determine the probability of inheritance?

Answers

Answer:

Mendel study such a large sample of pea plants because the more sample size gives more accurate results. Gregor Mendel performs his experiment on 29000 pea plants.

He selected the pea plants they give many offspring and are able to reproduce quickly and are self fertilize. This makes his experiment easy to study and perform the experiment quickly.

The answer is because the results will be more accurate if there is a larger sample size.

No matter what research is, the larger sample size is, the more accurately will be the results and vice versa. The larger samples increase a chance of significance because they reflect the population mean more reliably.
With small sample, the chance for false conclusions is higher.

Why is meiosis important for organisms? It allows for genetic variation among organisms. It determines which genes are dominant and which are recessive. It produces genetically identical cells. It provides a means of asexual reproduction.

Answers

Answer:

Option A- It allows for genetic variation among organisms.

Meiosis is important for organisms since it allows for genetic variation among organisms.

Further Explanation:

Mitosis and meiosis are two different types of cell division. Mitosis produces two daughter cells which are identical to each other. While in meiosis “four haploid” daughter cells are produced. It is a highly systematized cell division process as the spore or gamete produce must comprise one member of each homologous pair of the chromosomes. The crossing over results in genetic exchange between the non-sister chromatids of “homologous chromosomes”. Meiosis plays a significant role during the alternation of generation in plants and acts as a bridge between the sporophyte stage and gametophyte stage. During meiosis cell division, haploid gametes or spores are produced whereas mitosis produces daughter cells which are genetically similar to each other. During meiosis the pairing of homologous chromosomes occurs by synapsis which separate during anaphase.

Learn More:

Learn more about meiosis brainly.com/question/1600165
Learn more about the process of molecular diffusion in a cell brainly.com/question/1600165
Learn more about human sperm and egg cell brainly.com/question/1626319

Answer Details:

Grade: High School

Subject: Biology

Chapter: Mitosis and Meiosis

Keywords:

Mitosis, meiosis, homologous pair, haploid, gametes, spores, four, synapsis, gametes, daughter cell, plant, cell division, crossing over.

Does this farmer notice a difference between corn that has been modified through Selective Breeding (Artificial Selection) and Genetically Modified, in terms of water use?

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The right answer for the question that is being asked and shown above is that: "Yes,the farmer notice a difference between corn that has been modified through Selective Breeding (Artificial Selection) and Genetically Modified, in terms of water use."

Most plastics tend to persist in the environment because natural processes do not degrade them effectively. A scientist thinks that a new strain of bacteria can be developed to break apart plastics. To develop this strain of bacteria, the scientist proposes to subject a colony of bacteria to powerful mutagens.

Answers

Answer:

I would say B, but I'm not completely sure sorry :(

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