Which of the Following Statements About Humans Is True

question 27

Multiple Choice

Which of the following statements about humans is true?

• A)The 23rd pair,the sex chromosomes,determines whether the person is female (XX)or male (XY).
• B)An ovum and sperm unite during fertilization,forming a haploid (n),single-celled zygote.
• C)At sexual maturity,ovaries and testes produce diploid gametes by meiosis.
• D)Human life cycles alternate between fertilization and meiosis,with meiosis producing haploid zygotes.

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Definitions:

Integrated Pest Management

An eco-friendly pest control strategy that integrates biological, cultural, physical, and chemical means to decrease risks to the economy, health, and environment.

Prevention

The action of stopping something from happening or arising, often referring to diseases or accidents.

Genetic Resistance

The inherent ability of an organism to withstand or defend against harmful environmental factors, diseases, or pests through its genetic makeup.