Let’s play “I Have – Who Has?” vocabulary review for Unit 2. Who has the word that means substance found in the nucleus of cells that serves as a chemical blueprint for all forms of life? I have DNA. Who has the name of the monk whom extensively studied pea plants and made many important discoveries in genetics? I have Mendel. Who has the word that means set of boxes used to make predictions about the probability of that offspring will have certain traits? I have Punnett square. Who has the word that means sequence of nucleotides that specifies the amino acid sequence of a protein? I have genetic code. Who has the word that means the process of copying a DNA template strand? I have replication. Who has the word that means an alternative form of a gene? I have allele. Who has the word that means genetically determined feature that is expressed by an organism such as height or hair color. I have trait. Who has the word that means male gamete? I have sperm. Who has the word that means the additional mixing of genetic material from gametes which results in a unique combination of genes? I have recombination. Who has the word that means change in the DNA of a gene or chromosome? I have mutation. Who has the word that means showing certain traits? I have expression. Who has the word that means breeding offspring with certain traits in hopes of producing offspring with desirable traits? I have selective breeding. Who has the word that means structure made of DNA and associated proteins on which genes are located? I have chromosome. Who has the word that means the rule stating that in DNA A on one strand always pairs with T on the opposite strand and G always pairs with C? I have base-pairing rules. Who has the word that means mutation that omits nucleotides to the genetic code? I have deletion. Who has the word that means section of a chromosome that code for a protein or RNA molecule? I have gene. Who has the word that means reproduction that involves only one parent and results in genetically identical offspring? I have asexual reproduction. Who has the word that means haploid cell that participates in fertilization by fusing with another haploid cell? I have gamete. Who has the word that means transmission of genetic traits from parent(s) to offspring? I have heredity. Who has the word that means process of isolating a gene from the DNA of one organism and transferring it to the DNA of another organism? I have genetic engineering. Who has the word that means mutation that replaces certain nucleotides with other nucleotides in the genetic code? I have substitution. Who has the word that means reproduction in which gametes from opposite sexes or mating types unite to form a zygote? I have sexual reproduction. Who has the word that means mutation that adds extra nucleotides to the genetic code? I have insertion. Who has the word that means female sex cell? I have egg cell. This concludes our “I Have – Who Has?” vocabulary review game. Make sure to practice your words daily.