Scelta multipla
Which process occurs in the life cycle of a moss but not in the life cycle of a gymnosperm?
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12. Meiosis
Life Cycle of Sexual Reproducers
Scelta multipla
How many chromosomes are present in a human zygote?
A
69
B
46
C
92
D
23
Guida verificata passo dopo passo1
Understand that a zygote is formed when a sperm cell and an egg cell unite during fertilization.
Recall that human somatic cells are diploid, meaning they contain two sets of chromosomes, one from each parent.
Each human gamete (sperm or egg) is haploid, containing 23 chromosomes.
During fertilization, the haploid sperm and haploid egg combine to form a diploid zygote.
Calculate the total number of chromosomes in the zygote by adding the 23 chromosomes from the sperm and the 23 chromosomes from the egg, resulting in a total of 46 chromosomes.
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