Different Species Can Sometimes Interbreed to Produce Hybrid Offspring

question 75

Essay

Different species can sometimes interbreed to produce hybrid offspring.For example,the breeding of a horse with a donkey produces a mule.However,these hybrids are usually sterile.A horse will produce gametes with 32 chromosomes,and a donkey will produce gametes with 31 chromosomes,resulting in a mule with 63 chromosomes.Using your understanding of meiosis,propose a reason why mules are sterile.

---

Definitions:

Penile Firmness

Penile firmness refers to the degree of rigidity a penis attains when erect, which is crucial for sexual intercourse.

Libido

A term commonly used to describe an individual's overall sexual drive or desire for sexual activity.

Antidepressant Medication

Drugs prescribed to alleviate symptoms of depression by adjusting the balance of neurotransmitters in the brain.

Skin Integrity

A healthy state of the skin that is unbroken and free from injury, ensuring protection against infection and disease.