When Mendel crossed a purebred tall pea plant with a purebred short pea plant, all of the (F1) generation inherited...

When an egg is fertilized, what is the probability that the offspring will be male?

The principles of probability can be used to...

Organisms that have 2 identical alleles are said to be

In the punnett square above, If T codes for Tall and t codes for short, what is true of the offspring?

What law says that during gamete formation genes for different traits separate (ex. just because you have red hair doesn't mean you will have freckles)?

What law says that during gamete formation alleles for a trait (ex. eye color) separate and each gamete gets one copy?

In the dihybrid cross above, how many different phenotypes are possible?

A breed of birds shows co-dominance for feather color. One allele codes for black and another allele codes for white. What color will a hybrid bird be?

Situations where one allele is not completely dominant over another allele and the hybrid is a blend of traits is called...

Variation in human height is an example of ____________ because many genes control this trait.

Gametes (sperm or egg) have

Human males produce haploid sperm cells that can give a Y or an X chromosome. What chromosomes can female egg cells produce?

What percentage of male sperm carry a Y chromosome?

How many chromosomes are found in a normal human karyotype?

Most sex-linked genes like color blindness are located on...

Why is colorblindness more common in males than females?

Human males have

Use the diagram above to determine which two genotypes will give the same phenotype.

If a man has I^Bi blood type and his wife has I^AI^A what are the possible blood types of their offspring?

What is the probability of the first couple in generation 2 having a child with a white forelock? (Hint look at the 1st generation and the 2 kids they had)

What are the genotypes of the first couple in generation 2 based off their phenotypes and the phenotypes of their offspring.

If white forelock is dominant, then all family members without white forelock are...

How many generations are shown in the pedigree?

Look at the karyotype. What is the sex of the person on the left?

Look at the karyotype. What is the sex of the person on the right?

What does the "R" represent?

What does the "W" represent?

What is the genotype of a pink hybrid flower? "R" represents red and "W" represents white.

What type of dominance is this?

In rabbits black fur color is completely dominant to white. What are all the possible genotypes a rabbit can possibly have?

In pea plants purple flower color is completely dominant to white. A white flower is crossed with a purple...which punnett square is correct?

In humans, colorblindness is a sex-linked trait. It is dominant to have color vision (C) and not have colorblindness (c) which is recessive. Females can be normal, carriers, or have the disease. males either have the disease or not. They cannot be carriers. What is the genotype of a male with colorblindness?

In humans, colorblindness is a sex-linked trait. It is dominant to have color vision (C) and not have colorblindness (c) which is recessive. Females can be normal, carriers, or have the disease. males either have the disease or not. They cannot be carriers. What is the genotype of a female with colorblindness?

In humans, colorblindness is a sex-linked trait. It is dominant to have color vision (C) and not have colorblindness (c) which is recessive. Females can be normal, carriers, or have the disease. Males either have the disease or not. They cannot be carriers. What is the genotype of a female who is a carrier?

In snapdragons, the allele for red (R) is incompletely dominant over the allele for white (W) with the heterozygote being pink in color. What is the genotype of a pink hybrid?

In cows, the alleles for black coat (B) and white coat (W) are co-dominant. What is the percent chance of having a black and white spotted cow if a purebred black cow is bred with a purebred white cow?