A hitched thumb is a recessive trait. A person with a hitched thumb would have a genotype of?

Each organism has 2 alleles for a particular trait. Where do these two alleles come from?

The ability to roll your tongue is a dominant trait. If both parents are heterozygous for tongue rolling and they have 8 children together, is it possible that they could have children who are unable to roll their tongues?

What is the genotype for #15?

What is the genotype for #16?

A male heterozygous for widow’s peak marries a female without a widow’s peak.

Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).

What is the male's genotype?

A male heterozygous for widow’s peak marries a female without a widow’s peak.

Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).

What is the male's phenotype?

A male heterozygous for widow’s peak marries a female without a widow’s peak.

Widow’s peak is a dominant trait (H) not having a widow’s peak is recessive (h).

Use the Punnett Square on Widow's Peal to answer the following question:

What percent of the children will have widow's peak?

An organism’s physical appearance of visible traits is a _____________.

An organism’s genetic makeup is a _________________.

An organism’s genetic makeup is a _________________.

Has 2 of the same alleles is __________________.

Has 2 different alleles is _____________________.

A woman homozygous for A blood marries a man heterozygous for B blood. What is the probability that they will produce offspring with AB blood?

What is the chance of a parent with blood types AB and a parent with blood type O producing an offspring with blood type O?

A roan cow shows co-dominance in fur color (red and white). What is the expected phenotypic ratio if a roan cow and a roan steer mate together?

A red flowered plant is crossed with a white flowered plant. The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink flowers?

In chickens, feather color is codominant. If a homozygous black chicken is mated with one that is heterozygous black and white, what is the probability of having a chicken that is black and white?

The different forms of a gene are called

Which of the following explains the appearance of the trait for white flowers in the offspring that neither parent possesses?

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

What would the genotype be of a colorblind male?

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X ^R X ^r ?

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X ^R Y ?

Colorblindness is more common in males than in females because......

The woman who is colorblind marries a man with normal vision. What is the probability that their sons will be colorblind?

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?