CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
CAMPBELL BIOLOGY IN FOCUS-TEXT,AP ED.
3rd Edition
ISBN: 9780136811206
Author: Urry
Publisher: SAVVAS L
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Chapter 10, Problem 4TYU
Summary Introduction

Introduction:

DNA is the nucleic acid found in the nucleus of a cell. It is the main constituent of the gene, which is the fundamental unit of heredity. A diploid cell contains only the one set of chromosome (n).

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How many chromatids are present in a human cell at the end of meiosis 1? Group of answer choices   A. 0 B. 46 C. 23 D. 64 E. 92
. 1 During which phase of the meiotic cell cycle does DNA replication occur? a. interphase b. prophase c. metaphase d. anaphase e. telophase 2. When does crossover take place in meiosis? a. interphase b. prophase c. metaphase d. anaphase e. telophase  3. During which phase of meiosis does the nuclear membrane reform around chromosomes? a. interphase b. prophase I c. metaphase II d. anaphase I e. telophase II 4. A human cell containing 22 autosomes and a Y chromosome is... a. a somatic cell of a male b. a zygote c. a somatic cell of a female d. a sperm cell e. an ovum 5. Homologous chromosomes move towards opposite poles of a dividing cell during... a. mitosis b. meiosis I c. meiosis II d. fertilization e. binary fission  6. Meiosis II is similar to mitosis in that... a. homologous chromosomes synapse b. DNA replicates before the division c. the daughter cells are diploid d. sister chromatids separate during anaphase e. the chromosome number is reduced  7. Metaphase of meiosis I and…
How many rounds of cell division are there in meiosis? Group of answer choices A. 1 B. 0 C. 2 D. 4
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY