Sperm and egg fuse to form a diploid fertilized egg, called a ________

Fill in the blank(s) with correct word


zygote

Biology & Microbiology

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Which of the following statements about regulation of the lac operon is true?

A. When glucose is present, gene expression is activated by lactose. B. The amount of glucose in the growth medium does not affect the level of gene expression activated by lactose. C. The binding of the Lac repressor to the operator is not affected by the presence of glucose. D. Gene expression is high when the Lac repressor is not bound to the operator and glucose is available.

Biology & Microbiology

In the human male, genotype and phenotype associated with the genes on the X chromosome are determined by the one X chromosome he inherits from his mother

Indicate whether the statement is true or false

Biology & Microbiology

Phenetics is the strictest of the systematicists.

a. true b. false

Biology & Microbiology

The distances between gene loci measured in terms of the frequency of recombination is indicated by a genetic ________.

A. profile B. map C. clone D. karyotype E. pedigree

Biology & Microbiology