Sexual Reproduction

Sexual reproduction results in

• Genetically unique offspring

• Genetically identical offspring

Which of the following is the female animal gamete?

• Sperm

• Egg

• Pollen

• Teste

Which of the following describes the main advantages of sexual reproduction?

• requires lots of time/energy

• no new gene combos can arise

• genetic diversity

• looks identical to the parent

The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

Unlike mitosis, meiosis in male mammals results in the formation of

• one haploid gamete
• three diploid gametes
• four diploid gametes
• four haploid gametes

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• crossing over
• mutagenesis
• hybridization
• fertilization

How are your chromosomes inherited?

• most of your chromosomes from your mother
• most of your chromosomes from your father
• a random number of chromosomes from each parent
• half your chromosomes from your mother and half from your father.

Crossing-over is an efficient way to produce _________ ____________which increases genetic diversity

• genetic variation

• genetic recombination

• genetic elements

What process creates reproductive cells used in sexual production?

• meiosis

• mitosis

• cellular respiration

• photosynthesis