Examlex
Find the exact mass of a thin wire in the shape of the helix if the density is 5.
Crossing Over
The process during meiosis in which homologous chromosomes exchange portions of their DNA, leading to genetic recombination.
Heritability
The statistic that indicates the extent to which variation of a certain trait can be traced to genes.
Mutation
A change in the DNA sequence of an organism's genome, which can lead to genetic variation and sometimes result in observable changes in the organism.
Zygote
The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of pregnancy.
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