EOC Biology Practice Test #3

Question 1

In pea plants, the allele for white flowers is recessive to the allele for purple flowers. In a generation of pea plants, 89 plants produced purple flowers and 31 plants produced white flowers. Which of the following is the best conclusion you can make about the parent plants of this generation?

Both parent plants are heterozygous for flower color. The reaction the protein catalyzes would proceed very slowly or not at all. Results should have been peer reviewed and repeated producing the same findings. Mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two division cycles and results in haploid gametes.

Correct Answer:

Both parent plants are heterozygous for flower color.

Explanation:

Correct answer: Both parent plants are heterozygous for flower color.

Question 2

When an organism has more than 10 fingers or toes, the condition is known as polydactylism. Although polydactylism is rare, it is a dominant trait. If two cats that are heterozygous for polydactylism mate and have a litter with a total of 12 kittens, how many of them would you expect to have more than 10 fingers or toes

7 9 10 11

Correct Answer:

Explanation:

Correct answer: 9

Question 3

The allele for brown eyes is dominant to the allele for blue eyes. Which of the following best explains how two brown-‐eyed parents could produce a blue-‐eyed child?

Each parent must be carrying the recessive allele for blue eyes. Nucleic acids contain the genetic code for protein synthesis, while enzymes catalyze chemical reactions. Groups of lipids will only form into microspheres when they are in liquid water. Eukaryotes have membrane-‐bound organelles, while prokaryotes have few specialized structures.

Correct Answer:

Each parent must be carrying the recessive allele for blue eyes.

Explanation:

Correct answer: Each parent must be carrying the recessive allele for blue eyes.

Question 4

Some organisms are able to reproduce asexually through mitosis, while cells of organisms that reproduce sexually will undergo meiosis to produce gametes. Which process do you predict would be most beneficial to a species during a drastic change in environmental conditions?

Improvements in technology are closely related to changes in the cell theory Meiosis; it results in more genetic variation, which would help ensure the species will survive. During prophase I, DNA segments are exchanged between homologous chromosomes, resulting in different combinations of alleles. Having a nucleus

Correct Answer:

Meiosis; it results in more genetic variation, which would help ensure the species will survive.

Explanation:

Correct answer: Meiosis; it results in more genetic variation, which would help ensure the species will survive.

Question 5

Which of the following best describes how the process of crossing over during meiosis leads to an increase in genetic diversity?

Eukaryotes have membrane-‐bound organelles, while prokaryotes have few specialized structures. During prophase I, DNA segments are exchanged between homologous chromosomes, resulting in different combinations of alleles. Mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two division cycles and results in haploid gametes. There is less available energy in the seal than there is in the phytoplankton

Correct Answer:

During prophase I, DNA segments are exchanged between homologous chromosomes, resulting in different combinations of alleles.

Explanation:

Correct answer: During prophase I, DNA segments are exchanged between homologous chromosomes, resulting in different combinations of alleles.

Question 1

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About this Exam

Prepare with the EOC Biology Practice Test #3 practice quiz. This question bank includes 40 questions covering cells, describes, cell, plants, and compares. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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EOC Biology Practice Test #3

This practice set contains 40 questions from the matching question bank and focuses on cells, describes, cell, plants, and compares. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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EOC Biology Practice Test #3

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