Genetics Unit 2 Review

The haploid number of human chromosomes is

• 11
• 12
• 23
• 46

The diploid number of human chromosomes is

• 23
• 46
• 92

Autosomes are

• chromosomes found in autotrophs, only
• chromosomes that automatically correct all errors in the DNA
• chromosomes that determine traits other than sex
• chromosomes that determine the sex of the individual

The structure that holds two chromosomes together until they separate for cell division is the

• chromatid
• chromatin
• centromere
• cytoplasm

A chromosome is composed of two identical sister

• centromeres

• chromatids

• autosomes

• somatic cells

Cells that contain two sets of chromosomes (example: 2n = 46) are called

• gametes

• haploid

• diploid

• chromatin

A picture or image of a person's chromosomes taken through a microscope

• pedigree

• centromere

• karyotype

• none are correct

Gametes that contain one set of chromosomes (example: n = 23) are called

• diploid

• autosomes

• haploid

• somatic cells

A segment of DNA

• nucleosome

• gene

• histone

• chromatin

Tags

NGSS.HS-LS3-1

Body cells are also known as

• prokaryotic cells

• somatic cells

• gametes

• sperm or egg