The presence of four horns instead of two in a goat is an example of what?

Which one of the following is a genetically transmitted character?

Read the following statements and identify the correct ones.
$(1)$ Linkage and recombination were first understood in $Lathyrus$ $odoratus$.
$(2)$ Mendel's work was rediscovered by Correns,Tschermak,and de Vries,which was published in $1900$.
$(3)$ $T.H.$ Morgan is considered the father of experimental genetics.
$(4)$ $A$ child born to parents with thalassemia major can be affected by thalassemia.
$(5)$ In birds,the female is homogametic and the male is heterogametic.

When a plant of $F_1$ generation is crossed with homozygous dominant parents,it is known as

Identify the correct match:

Scientist	Associated with
$(i)$ William Bateson	$(a)$ Rediscovered Mendel's work.
$(ii)$ $T$.$H$. Morgan	$(b)$ Discovered that genes are made of $DNA$.
$(iii)$ $O$.$T$. Avery	$(c)$ Coined the term Genetics.
$(iv)$ Hugo de Vries	$(d)$ Prepared the first genetic map.

The genetic constitution of an individual is represented by: