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Biology 101 - Lab Practical Study Questions
Combination of quiz questions
26
Biology
Undergraduate 1
07/24/2010

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Cards

Term
[image]
Definition

 

 

 

Prophase

Term
[image]
Definition

 

 

 

Prometaphase

Term
[image]
Definition

 

 

 

Metaphase

Term
[image]
Definition

 

 

 

Anaphase

Term
[image]
Definition

 

 

 

Telophase

Term
[image]
Definition

 

 

 

Karyotype

Term

 

 

What is the genetic material (DNA) of eukaryotes is organized into?

Definition

 

 

 

Chromosomes

Term

 

 

 

What are the 5 phases of Mitosis?

Definition

 

 

 

Prophase, Prometaphase, Metaphase, Anaphase, Telophase

Term

 

 

 

What is the process of cytoplasmic division known as?

Definition

 

 

 

Cytokinesis

Term

 

 

 

In which phase of mitosis do sister chromatides separate?

Definition

 

 

 

Anaphase

Term

 

 

 

In which phase of meiosis do homologous chromosomes separate?

Definition

 

 

 

Anaphase I

Term

 

 

 

What happens during the S period of Interphase?

Definition

 

 

 

DNA replication

Term

 

 

 

In which phase does DNA duplicate during meiosis? 

Definition

 

 

 

Interphase

Term

 

 

 

How many times does DNA duplicate in meiosis?

Definition

 

 

 

1

Term

 

 

 

How many times does DNA separate in meiosis?

Definition

 

 

 

2

Term

 

 

 

How many times does DNA duplicate in mitosis?

Definition

 

 

 

1

Term

 

 

 

How many times does DNA separate in mitosis?

Definition


1
Term

 

 

What are the two ways meiosis contributes to genetic variation among offspring?

Definition

 

 

1) Crossing over

2) Independent assortment

Term

 

 

 

In meiosis, the number of chromosomes is _______, while in mitosis, it is _________.

Definition

 

 

 

Halved, remains the same

Term

 

 

 

In higher animals, meiosis results in the production of ______.

Definition

 

 

 

Egg cells and sperm cells (also known as: gametes)

Term

 

 

 

Recombination of alleles on nonsister chromatids occurs during?

Definition

 

 

 

Crossing over

Term

 

 

 

What does the term “2n” mean?

Definition

 

 

The diploid chromosome number is present and the chromosomes within a single nucleus exist in homologous pairs.

Term

 

 

 

How many chromosomes does a human sperm have?

Definition

 

 

 

23

Term

 

 

 

When the egg cell is fertilized by the sperm cell, what does it form?

Definition

 

 

 

A zygote

Term

 

 

 

After fertilization how many chromosomes does the zygote have?

Definition

 

 

 

46

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