Select the correct answer. Tay-Sachs disease is caused by a mutation in the HEXA gene located on chromosome 15. Tay-Sachs follows an autosomal recessive pattern of inheritance. With the help of the diagram, identify which of the offspring will be an unaffected carrier.

a diagram showing the genes of parents who are carriers of Tay-Sachs disease

A.
A, B, and C
B.
B and C
C.
A and D
D.
A
E.
D

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .