FREE BIOLOGY AND STUDY GAMES ABOUT BIO101 CHPT 8

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FREE BIOLOGY AND STUDY GAMES ABOUT BIO101 CHPT 8

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -98 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Asexual and sexual reproduction differ in that sexual reproduction _____.

Answer:

can produce great variation among the offspring

Question 2: Crossing over is important because it _____.

Answer:

allows the exchange of genes between homologous chromosomes Question 3: In humans, the _____ determines the sex of the offspring because _____.

Answer:

male ... the male can contribute either an X or a Y chromosome

Question 4: Mitosis has how many number of cell divisions?

Answer:

1

Question 5: When we say that an organism is haploid, we mean that _____.

Answer:

its cells each have one set of chromosomes Question 6: The exchange of parts between nonhomologous chromosomes is called _____.

Answer:

reciprocal translocation

Question 7: The function of meiosis is to make _____.

Answer:

four cells with a haploid number of chromosomes

Question 8: The term binary fission is best applied to _____.

Answer:

prokaryotes Question 9: Unless the chromosomes were stained to show band patterns, a karyotype would usually be unable to show_____.

Answer:

an inversion Question 10: In a cell containing 10 chromosomes, meiosis results in the formation of daughter cells containing _____ chromosomes.

Answer:

5 Question 11: Individual chromosomes are usually observed with a light microscope during mitosis, even though cells spend more time in interphase. This is because _____.

Answer:

the DNA has not been replicated yet

Question 12: An organism has a haploid chromosome number n =

• How many tetrads will form during meiosis?

Answer:

four

Question 13: Meiosis has how many number of chromosomal duplications?

Answer:

1 Question 14: In Meiosis what is the genetic relationship of the daughter cells to the parent cell?

Answer:

Genetically Unique

Question 15: Mitosis has how many number of chromosomal duplications?

Answer:

1

Question 16: In Mitosis what are the functions performed in the human body?

Answer:

Growth, development, & repair

Question 17: A cleavage furrow forms in an animal cell during _____.

Answer:

cytokinesis Question 18: If an intestinal cell in a grasshopper contains 24 chromosomes, then a grasshopper sperm cell contains ____ chromosomes?

Answer:

12 Question 19: Cytochalasin B is a chemical that disrupts microfilament formation. The chemical would interfere with?

Answer:

cleavage

Question 20: Variation occurs when chromosomes are shuffled in _____.

Answer:

meiosis

Question 21: Chromatids form during what phase?

Answer:

G1

Question 22: Meiosis has how many number of cell divisions?

Answer:

2 Question 23: In Mitosis what is the genetic relationship of the daughter cells to the parent cell?

Answer:

Genetically Identical

Question 24: The diploid phase of the human life cycle begins with _____.

Answer:

fertilization

Question 25: In Meiosis how do the chromosomes line up during metaphase?

Answer:

In tetrads Question 26: Homologues separate and migrate toward opposite poles during which phase?

Answer:

Anaphase I Question 27: At the end of telophase I of meiosis, as cytokinesis occurs, there are _____.

Answer:

two haploid cells Question 28: At which stage of mitosis are chromosomes lined up in one plane in preparation for their separation to opposite poles of the cell?

Answer:

metaphase