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Match each term with the best description. _______ DNA replication a. basis of variation in traits _______ metaphase I b. useful for varied offspring _______ alleles c. none between meiosis I meiosis II _______ prophase I d. similar to mitosis _______ zygotes e. haploid _______ gametes f. form at fertilization _______ males g. mash-up time _______ meiosis II h. chromosome lineup

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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

Solutions

Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 12, Problem 14SQ
Textbook Problem
151 views

Match each term with the best description.

_______ DNA replication a. basis of variation in traits
_______ metaphase I b. useful for varied offspring
_______ alleles c. none between meiosis I meiosis II
_______ prophase I d. similar to mitosis
_______ zygotes e. haploid
_______ gametes f. form at fertilization
_______ males g. mash-up time
_______ meiosis II h. chromosome lineup

Summary Introduction

To match: Each term with its suitable description.

Explanation of Solution

DNA replication: c. none between meiosis I and meiosis II.

DNA replication is the process by which two similar copies of DNA are produced from a single copy. If DNA replication happens between meiosis I and II, it would entirely act against the meiosis process. Thus, the meiosis process cannot take place.

Metaphase I: h. chromosome lineup.

During Metaphase I, the chromosome pair (bivalents) becomes aligned on the metaphase plate and then is attached to the totally formed meiotic spindle.

Alleles: d. basis of variation in traits.

The gene having alternative forms is called allele. They rise up by mutation and are encoded by different gene products. These differences can help in the inherited traits.

Prophase I: g. mash-up time

During prophase I, chromosomes begin to condense, and there occurs the breakdown of the nuclear envelope. The main event that takes place in this phase is the occurrence of crossing-over. In this phase, there will be no reduction in the chromosome number.

Zygotes: f. form at fertilization

During the sexual reproduction, the two haploid gametes (male gamete and female gamete) fuse together by the process of fertilization to form the diploid zygote, which can then develop into a new organism...

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