Exam 7: Patterns of Inheritance

Suppose D were dominant and d were recessive,and you could label the D allele in the P generation with a radioactive substance that could be inherited over several generations.You create hybrids by mating your radioactive DD individuals to dd individuals.Finally,you cross two F1 individuals (with the Dd genotype).In 1,000 offspring,how many would you predict would be radioactive?

Which of the following did Gregor Mendel notice in garden peas?

In a particular plant,two genes control leaf shape and color.Round leaves (R)are dominant to jagged leaves (r).Yellow fruits (Y)are dominant to white fruits (y).A true-breeding round-leaved,yellow-fruited plant is mated with a true-breeding jagged-leaved,white-fruited plant.What are the genotypes of the plants involved in this cross?

When Mendel proposed the law of segregation,which of the following pieces of information did he NOT have?

A hammer is needed to pound nails into a board.Even if one has the nails,they cannot be used without first getting ahold of a hammer.This is similar to the genetic relationship known as

A Punnett square is used to

A single gene with one dominant allele for black hair (B)and one recessive allele for brown hair (b)controls hair color in mice.A male mouse with black hair mates with a female mouse with brown hair and they have 12 offspring.Are you able to determine the predicted ratio of hair color in their offspring using a Punnett square? Explain your answer.

In a genetic cross in which the heterozygous phenotype is intermediate between the two homozygous phenotypes,________ dominance is expressed.

Why did Mendel analyze thousands of plants while conducting his research?

What is the smallest number of traits that are needed to test Mendel's law of independent assortment?

Which of the following does NOT represent a phenotype?

Mendel's laws