What is a dominant allele?

A woman has six sons. The chance that her next child will be a daughter is

If you want to know the probability that tossing two coins will result in a particular outcome (two heads, for example), you would use the

Polyploidy in plants

The inheritance pattern where two or more genes do not assort independently because they are close together on the same chromosome is called

How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEEFf?

Why must the life cycle of sexually reproducing species alternate between haploid and diploid stages?

A man who carries an X-linked allele will pass it on to

The ABO system of blood types is an example of:

Which of the following organelle(s) has/have a genome separate from the genome in the cell nucleus?

Two babies are mixed up in the hospital nursery. The blood types of Couple 1 are A and O and the blood types of Couple 2 are AB and B. Baby Joe has blood type O and Baby Jane has blood type B. Who are the parents of Baby Joe and Baby Jane?

You are breeding different varieties of roses in your garden. When you cross a true-breeding yellow "Texas Beauty" rose with a true-breeding "Ruby" red rose, you get all red roses. But when you cross a "Texas Beauty" yellow with the yellow variety called "Jealousy," you get a 9:3:4 ratio of phenotypes. What can you conclude from these results?

You breed a black, long-haired rabbit with a white, short-haired rabbit. All of the offspring have long, black hair. If the genes for hair color and length are closely linked on the same chromosome, what would you expect to see in the F2 generation?

The definition of a multifactorial trait is one in which more than one set of alleles is involved, in which the environment plays no role.

A new phenotype of mouse has been discovered – short-tails. You have been given a short-tailed mouse and do not know anything about its genotype. You decide to cross this short-tailed mouse with a long-tailed mouse. Multiple crosses of this short-tailed mouse to long-tailed mice produces 27 long-tailed mice and 25 short-tailed mice. When you cross these short-tailed progeny with each other, you get 31 short-tailed mice and 11 long-tailed mice. What was the genotype of the original short-tailed mouse?

A new phenotype of mouse has been discovered – short-tails. You have been given a short-tailed mouse and do not know anything about its genotype. You decide to cross this short-tailed mouse with a long-tailed mouse. Multiple crosses of this short-tailed mouse to long-tailed mice produces 27 long-tailed mice and 25 short-tailed mice. When you cross these short-tailed progeny with each other, you get 31 short-tailed mice and 11 long-tailed mice. What is the genotype of the long-tailed mice used in this breeding experiment?

From the cross TTYyRr x TtYyrr, calculate the proportion of offspring that would match the following phenotypes. 1. tall plants with round, yellow seeds

From the cross TTYyRr x TtYyrr, calculate the proportion of offspring that would match the following phenotypes. 2. tall plants with round, green seeds

From the cross TTYyRr x TtYyrr, calculate the proportion of offspring that would match the following phenotypes. 3. dwarf plants with round, green seeds

From the cross TTYyRr x TtYyrr, calculate the proportion of offspring that would match the following phenotypes. 4. tall plants with yellow, wrinkled seeds

From the cross TTYyRr x TtYyrr, calculate the proportion of offspring that would match the following phenotypes. 5. tall plants with green, wrinkled seeds

Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating DdeeFfGGHhIi x DdEEFFGgHhii - calculate the probabilities of the following: 1. What is the probability that one of the offspring will have the genotype DdEeFFGghhIi?

Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating DdeeFfGGHhIi x DdEEFFGgHhii - calculate the probabilities of the following: 2. What is the probability that one of the offspring will be heterozygous for each allele?

Assume that D, E, F, G, H, and I are autosomal genes on different chromosomes. From the mating DdeeFfGGHhIi x DdEEFFGgHhii - calculate the probabilities of the following: 3. What is the probability that one of the offspring will have the genotype DDEEFfGGhhii?

In the following cases of disputed paternity, determine the probable father: Mother is type B, child is type O. Father #1 is A; father #2 is AB

In the following cases of disputed paternity, determine the probable father: Mother is type B, child is type AB. Father #1 is A; father #2 is B.

In the following cases of disputed paternity, determine the probable father : Mother is type O and bears non-identical twins, one type A and one type B. Father #1 is type A; father #2 is type B.

Galactosemia is a recessive human disease that is treatable by restricting lactose and glucose in the diet. Susan and her partner Rick are heterozygous for this disease. Susan is pregnant with twins. If she has fraternal twins (nonidentical) - what is the probability that both of the twins will be girls who have galactosemia?

Galactosemia is a recessive human disease that is treatable by restricting lactose and glucose in the diet. Susan and her partner Rick are heterozygous for this disease. Susan is pregnant with twins. If she has identical twins - - what is the probability that both of the twins will be girls who have galactosemia?

An albino corn snake is crossed with a normal colored corn snake. The offspring are all normal colored. When these first generation snakes are crossed among each other, they produce 34 normal snakes and 11 albino snakes Which of these phenotypes (normal, albino) is controlled by the recessive allele?

An albino corn snake is crossed with a normal colored corn snake. The offspring are all normal colored. When these first generation snakes are crossed among each other, they produce 34 normal snakes and 11 albino snakes: What is the genotype for the parental snakes? ____ and ____

An albino corn snake is crossed with a normal colored corn snake. The offspring are all normal colored. When these first generation snakes are crossed among each other, they produce 34 normal snakes and 11 albino snakes: For the F2 progeny - how many snakes were homozygous normal?

An albino corn snake is crossed with a normal colored corn snake. The offspring are all normal colored. When these first generation snakes are crossed among each other, they produce 34 normal snakes and 11 albino snakes: How many were heterozygous?