Biology I : Chapter 6 : Meiosis and Mendel

What is a somatic cell?

• Bacterial cell

• Body cell

• Sex cell

• A type of virus

Answer explanation

These cells make up body tissues and organs.

What are gametes?

• Body cells

• Muscle cells

• Nerve cells

• Sex cells

Answer explanation

These cells are eggs in females and sperm in males.

DNA is passed on to offspring by _____.

• Gametes

• Somatic cells

Human haploid cells _____.

• have one set of 23 chromosomes

• have one set of 17 chromosomes

• have two sets of 23 chromosomes, for a total of 46 chromosomes

• have two sets of 17 chromosomes, for a total of 34 chromosomes

Human diploid cells _____.

• have one set of 23 chromosomes

• have one set of 17 chromosomes

• have two sets of 23 chromosomes, for a total of 46 chromosomes

• have two sets of 17 chromosomes, for a total of 34 chromosomes

How many chromosomes are in a typical human somatic cell?

(a)  

How many chromosomes are in a typical human gamete cell?

(a)  

Homologous chromosomes are _____.

• a pair of chromosomes that are inherited from the organism's parents

• the largest chromosomes in the cell

• the smallest chromosomes in the cell

• the chromosomes that determine the sex of an organism

What is an autosome?

• A chromosome programmed to automatically destroy its cell.

• A chromosome that determines sex-related characteristics.

• A chromosome that contains genes for characteristics that are not directly related to the sex of the organism.

• A chromosome found only in asexual organisms.

Answer explanation

A gamete contains 22 autosomes and 1 sex chromosome.

What is a sex chromosome?

• A chromosome that determines the height of the offspring.

• A chromosome that determines the development of sexual characteristics

• A chromosome that determines the hair color of the offspring.

• A chromosome that determines the intelligence of the offspring.