Download Study Guide for College Genetics Test

Study Guide for College Genetics Test
1) Who is Gregor Mendel and what plant did he work with?
2) How many traits did he look at?
3) What is heredity?
4) What is genetics?
5) What is the difference between dominant and recessive traits?
6) What is a genotype? Phenotype?
7) What is the difference between heterozygous and homozygous genotypes?
8) Be able to recognize heterozygous and homozygous genotypes.
9) What is a Punnett Square? Do they help predict probability?
10) What is a gene? What is an allele?
11) What is incomplete dominance? Is it common in nature?
12) What would a chicken exhibiting codominance look like?
13) What are sex-linked traits?
14) What is probability?
15) What do you use a test cross for?
16) Can you see genotypes? Can you see phenotypes?
17) What is the structure of DNA?
18) What are the 4 nucleotides and which ones hook together (Base-Pairing Rule)?
19) What is the P generation? F1 generation? F2 Generation? –Mendel’s experiments.
20) What are purebreds? What are hybrids?
21) What is self-pollination? Cross pollination?
22) What does the law of segregation say?
23) What does the law of independent assortment say?
24) Huntingdon’s disease is a fatal disorder characterized by progressive deterioration of the nervous system.
The symptoms of this disease usually begin to develop in middle age. It is caused by a dominant allele (H). A
man heterozygous for the Huntington’s allele marries a woman who has the homozygous recessive genotype.
They plan to have children. What is the probability that they will have a child who develops Huntington’s
disease later in life? Use a Punnett Square to help answer the question.
25) In dogs, a dominant allele (W) produces wire-haired fur. The recessive allele (w) produces smooth fur. A
homozygous wire-haired male is mated to a female with smooth hair. Create a Punnett square to show the
possibilities that would result if these two dogs had puppies together.
a) List the possible genotypes and phenotypes for the puppies.
b) What is the probability that the puppies would have wire-hair?
c) What is the probability that the puppies would have smooth hair?