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Genetics Test II
Heredity
Question | Answer |
---|---|
Alternate forms of a gene (e.g., B and b) | allele |
What is the physical characteristics or appearance of an organism called? | phenotype |
two copies of each chromosome in an organism's nuclei? | diploid |
How many copies of each chromosome are in a hexaploid? | 6 |
term that refers to the kind of allele an organism has | genotype |
two alleles are identical | monohybrid |
two alleles are NOT identical | dihybrid |
cell division that produces zygotes | meiosis |
conjoined egg and sperm cell | zygote |
tool used to show expected offspring | punnett square |
gender that has two copies of X chromosome | Female |
gender that has one copy of X chromosome & one copy of Y chromosome | Male |
exactly one allele from each pair of alleles is found in each gamete | law of segregation |
traits are transmitted to offspring independently of one another; not linked together in patterns | law of independent assortment |