Unit 5 Heredity
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11 Terms
diploid cell
A cell that has two sets of chromosomes
The chromosome number is given as “2n.”
That means we have two copies of each chromosome.
haploid cell
If a cell has only one set of chromosomes
haploid cell symbol
n
homologous chromosomes
The duplicate versions of each chromosome
The homologous chromosomes that make up each pair
similar in size and shape and contain the same genes in the same locations
Sex cells are
haploid.
to produce a new diploid cell, or zygote:
A parent will contribute a gamete with one set that will be paired with the set from the other parent
What is a gamete
a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
chromosome
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.