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Flura [38]
3 years ago
10

What is the the definition of a gene?

Biology
2 answers:
Marta_Voda [28]3 years ago
7 0

A gene is a segment of DNA that carries the hereditary traits and hereditary caracteristics.

sertanlavr [38]3 years ago
3 0

Gene is segment of DNA

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In pea plants, purple flowers are dominant to white flowers, and the purple and white alleles are represented with P and p, resp
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Heterozygous means that its genotype has two distinct alleles, i.e. a dominant and a recessive one. So the genotype of the plants is Pp, and each plant has two alleles since<u> they are diploid organisms, which have two copies of each gene. </u>

<u>Each plant produces gametes, which are haploids cells. That is, they only have one copy of each gene (one allele)</u>. So, the gametes produced by Pp have a P or p genotype.  During fertilization, the maternal and paternal gamete are fused to form a diploid zygote where their genotype will have one allele from the father and one from the mother.

By making this monohybrid cross, we cross the gametes of each parent in the punnett square (see picture)

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