Explain the difference between a chromosome, a gene, and an allele.

What will be an ideal response?


A chromosome contains gene; so genes are located on chromosomes. Genes are sequences of DNA that code for a protein. Each gene has two alleles, or two sites carrying information to make a protein; alleles for a given gene can be identical (homozygous) or different (heterozygous).

Biology & Microbiology

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The effects of global climate change are restricted to terrestrial environments

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following fungi give off a scent

that is an attractant to female pigs?

a. morels b. yeast c. club fungi d. wheat rust e. truffles

Biology & Microbiology

The conversion of grasslands or woodlands to desert-like conditions is called ____

a. desertification b. bleaching

c. eutrophication d. deforestation e. intensive agriculture

Biology & Microbiology

Which best describes the difference between chronic and acute lymphocytic leukemias?

A) Chronic lymphocytic leukemias are exclusive of T-cell origin. B) Acute lymphocytic leukemias have a high response rate to chemotherapy. C) Chronic lymphocytic leukemias have a shorter survival time. D) Acute lymphocytic leukemias progress more slowly.

Biology & Microbiology