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12. Meiosis

Homologous Chromosomes

12. Meiosis

Homologous Chromosomes

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Homologous Chromosomes

Homologous Chromosomes

Jason Amores Sumpter

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Chromosomes and Karyotypes

Chromosomes and Karyotypes

Chromosome Structure and Organization

Chromosome Structure and Organization

Professor Dave Explains

How DNA is Packaged (Advanced)

How DNA is Packaged (Advanced)

DNA Learning Center

What is a Chromosome?

What is a Chromosome?

Practice this topic

Multiple Choice

The human karyotype shown below:

a) Is of a haploid cell.

b) Is from a gamete.

c) Shows 23 chromosomes.

d) All of the above.

Multiple Choice

How might the two members of a pair of homologous chromosomes differ from each other?

a) In the sequence of the DNA making up each of the chromosomes.

b) In the relative position of the genes present on each of the chromosomes.

c) They cannot differ if they are homologous.

d) In the kinds of genes present on each of the chromosomes.

Multiple Choice

A karyotype is __________.

Multiple Choice

Which of the following statements about homologous chromosomes is correct?

Multiple Choice

Sister chromatids __________.

Multiple Choice

An organism has a haploid chromosome number n = 4. How many tetrads will form during meiosis?

Multiple Choice

Which of the following occurs in meiosis but not mitosis?

Textbook Question

If humans have 23 pairs of chromosomes, each carrying hundreds to thousands of genes, roughly how many genes are there in the human genome? a. 23; b. 46; c. 1000; d. 20,000; e. 200,000

Textbook Question

Homologous pairs of chromosomes . a. are two different chromosomes attached to each other; b. are exact copies of one chromosome that are attached to each other; c. are separated from each other during meiosis I; d. are separated from each other during interphase; e. are chromosomes that carry different genes

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