Scelta multipla
Which of the following is an advantage of sexual reproduction over asexual reproduction?
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12. Meiosis
Life Cycle of Sexual Reproducers
Scelta multipla
Which best describes the formation of a zygote in sexual reproducers?
A
The division of a diploid cell into two haploid cells.
B
The fusion of two haploid gametes to form a diploid cell.
C
The transformation of a diploid cell into a gamete.
D
The replication of DNA within a single haploid cell.
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Understand the concept of sexual reproduction: Sexual reproduction involves the combination of genetic material from two parents, resulting in offspring with genetic variation.
Identify the role of gametes: In sexual reproduction, gametes are the reproductive cells. They are haploid, meaning they contain half the number of chromosomes compared to somatic cells.
Recognize the process of fertilization: Fertilization is the fusion of two haploid gametes, typically an egg and a sperm, to form a zygote.
Define a zygote: A zygote is the initial cell formed when two gametes unite. It is diploid, meaning it has two sets of chromosomes, one from each parent.
Connect the concept: The formation of a zygote in sexual reproducers is best described as the fusion of two haploid gametes to form a diploid cell.
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