What is the expected outcome of a cross between a homozygous recessive woman and a man with hypophosphatemia?

What is the expected outcome of a cross between a homozygous recessive woman and a man with hypophosphatemia? Recombinant offspring were produced by the mating shown in the accompanying art. What is the recombination frequency of purple round and red long offspring? You just studied 25 terms!

Is rickets inherited?

Hypophosphatemic rickets is almost always hereditary and may be caused by mutations in any of several genes . The specific gene involved determines the way it is inherited . Most commonly, it is caused by a mutation in the PHEX gene.

What nutrient deficiency causes rickets?

Rickets is the softening and weakening of bones in children, usually because of an extreme and prolonged vitamin D deficiency. Rare inherited problems also can cause rickets. Vitamin D helps your child’s body absorb calcium and phosphorus from food.

How is genetic rickets treated?

As most cases of rickets are caused by a vitamin D and calcium deficiency, it’s usually treated by increasing a child’s intake of vitamin D and calcium.

1. eating more foods that are rich in calcium and vitamin D.
2. taking daily calcium and vitamin D supplements.

What type of trait is most commonly found in nature?

Terms in this set (43)

• wild type. type of trait most commonly found in nature.
• self fertilize. what organisms do when they fuse their own egg and sperm.
• recessive allele.
• rule of addition.
• sickle cell disease.
• pleiotropy.
• dominant allele.
• ABO blood group.

Why are human males much likely than human females to inherit the recessive conditions hemophilia A failure of the blood to clot properly?

Males are affected more often than females, because the gene is located on the X chromosome. Hemophilia A. Hemophilia A is a disorder where the blood cannot clot properly due to a deficiency of a clotting factor called Factor VIII.

What type of inheritance is vitamin D resistant rickets?

Vitamin D-dependent rickets is almost always inherited in an autosomal recessive pattern , which means both copies of the respective gene in each cell have mutations.

Is rickets diagnosed on xray?

Rickets is typically diagnosed using specific blood tests and x-rays . Blood tests usually show low levels of calcium and phosphorus and high levels of alkaline phosphatase. Bone x-rays may show areas with calcium loss or changes in bone shape.

What causes rickets in humans?

A lack of vitamin D or calcium is the most common cause of rickets. Vitamin D largely comes from exposing the skin to sunlight, but it’s also found in some foods, such as oily fish and eggs. Vitamin D is essential for the formation of strong and healthy bones in children.

What does deficiency of vitamin D causes?

Vitamin D deficiency can lead to a loss of bone density, which can contribute to osteoporosis and fractures (broken bones). Severe vitamin D deficiency can also lead to other diseases. In children, it can cause rickets. Rickets is a rare disease that causes the bones to become soft and bend.

Is the genetic composition of an organism?

In a broad sense, the term “genotype” refers to the genetic makeup of an organism; in other words, it describes an organism’s complete set of genes.