A student studying feather color inheritance in a certain species of chickens observes that the chickens have black (homozygous), blue (heterozygous), or white (homozygous) feathers. The student hypothesizes that this feather color trait follows the incomplete dominance inheritance pattern.​

Which data table would support the student's hypothesis?

Which sex is more likely have a recessive, x-linked trait?

A male child with wavy hair is born to a mother with curly hair and a father with straight hair.​

Which type of inheritance best explains the child’s hair type?

As pioneers moved west in the mid-1800s, the greater prairie chicken population in Illinois was estimated to number in the millions. Since then, their population has drastically declined.Evidence of the rapidly declining population was obtained from studying the number of eggs that hatched over several years. In Jasper County, Illinois, the number of prairie chickens fell from 2,000 to less than 50 in under 35 years. Researchers compared the DNA from feather samples from the living Illinois chickens to the DNA from feather samples dating from the year 1930 found in a museum. It was found that the living Illinois chicken population had a very low level of genetic diversity.

In 1992, researchers attempted to increase genetic variation by transporting more than 500 healthy prairie chickens into Illinois from the states of Minnesota, Kansas, and Nebraska. The data table below shows the changes in the percent of eggs that hatched from samples taken in different years. Researchers documented that this increase in the percent of eggs that hatched was not influenced by environmental events.

​The scientists transported prairie chickens from three different states into the state of Illinois in order to

The diagram shows a disorder of chromosome 15. ​ ​

​Which of the following identifies the type of chromosomal mutation that has occurred?

CRISPR-Cas9 is a genetic modification technique that edits parts of the genome of an organism. Using this technique scientists can add, remove, or modify sections of the DNA sequence.

How can scientists use this technique to control gene expression?

Cloning results in two organisms that are

What are the possible blood types of children whose mom has type AB and dad has type O?

Abnormalities in the number of X chromosomes tend to have milder phenotypic effects than the same abnormalities in autosomes because of ________.

Imagine you are performing a cross involving seed color in garden pea plants. What F₁ offspring would you expect if you cross true-breeding parents with green seeds and yellow seeds? Yellow seed color is dominant over green.

The ABO blood groups in humans are expressed as the I^A, I^B, and i alleles. The I^A allele encodes the A blood group antigen, I^B encodes B, and i encodes O. Both A and B are dominant to O. If a heterozygous blood type A parent (I^Ai) and a heterozygous blood type B parent (I^Bi) mate, one-quarter of their offspring will have AB blood type (I^AI^B) in which both antigens are expressed equally. Therefore, ABO blood groups are an example of:

If the allele encoding polydactyly (six fingers) is dominant why do most people have five fingers?

Which of the following situations does not follow the Law of Independent Assortment?

In pea plants, purple flowers (P) are dominant to white flowers (p) and yellow peas (Y) are dominant to green peas (y). What are the possible genotypes for a cross between PpYY and ppYy pea plants?

(There will be 9 answer choices on the actual question.)

A carrier for the sickle cell trait can pass it to his/her offspring because it is ______________________ . 

What traits are associated with polygenic inheritance?

(There will be 7 answer choices on the actual question.)

How many chromosomes are shown in a normal human karyotype?

Which three questions should the family ask their veterinarian that would most likely help the family understand the genetic basis for the recent color change of the rabbits?

Huntington's disease is a genetic brain disease caused by a dominant allele (H).  If an affected man (Hh) and an unaffected woman (hh) have children, what percentage of their offspring are at risk for developing the disease.  

Observe the characteristic facial features of the Galapagos Island finches below:

Which statement is most likely true about the Galapagos Island finches?

Cystic Fibrosis is a recessive autosomal disorder of the lungs.  If two healthy parents married, but they knew they were both carriers (Cc) for the disorder, what is the probability that their children may get cystic fibrosis? 

The Punnett square shown below describes a cross between two pea plants. The letter T represents the dominant allele for tall plant height, and the letter t represents the recessive allele for short plant height.

​​What were the genotypes of the parents that produced the offspring in the Punnett square?

Which statement describes how two organisms may show the same trait, yet have different genotypes for that phenotype?