System.MissingMethodException: Constructor on type '' not found

I'm writing a Console app that simulates the ancestry of an animal, for a specified number of generations back. It's for any animal, but I'm using bees as my first example.

I want to instantiate an object of type IAnimal, containing an object of IGender, as I do not know beforehand what these two might be. They differ for different animals.

IAnimal interface:

namespace Gensim
{
    internal interface IAnimal
    {
        string Name { get; set; }
        IGender Gender { get; set; } //Includes subgender and fertile/unfertile flag.
        int Generation { get; set; }
        int? FatherIndex { get; set; }
        int? MotherIndex { get; set; }
    }
}

The animal type used here:

using Gensim.Genders;
namespace Gensim
{
    internal class Bee : IAnimal
    {
        public IGender Gender { get; set; }
        public int Generation { get; set; }
        public int? FatherIndex { get; set; }
        public int? MotherIndex { get; set; }
        public string Name { get; set; }

        public Bee(string name, IGender gender, int generation, int? fatherIndex, int? motherIndex)
        {
            Name = name;
            Gender = gender;
            Generation = generation;
            FatherIndex = fatherIndex;
            MotherIndex = motherIndex;
        }
    }
}

IGender interface:

using System;
using System.Collections.Generic;

namespace Gensim
{
    public interface IGender
    {
        public enum MainTypeEnum
        {
            male,
            female
        }
        public MainTypeEnum MainType { get; set; }
        public bool IsFertile { get; set; }
        public List<Type> RequiredParents { get; set; }
    }
}

The Gender used here:

using System;
using System.Collections.Generic;
using System.Text;

namespace Gensim.Genders
{
    class Queen : IGender
    {
        public IGender.MainTypeEnum MainType { get; set; }
        public bool IsFertile { get; set; }
        public List<Type> RequiredParents { get; set; }

        public Queen()
        {
            this.MainType = IGender.MainTypeEnum.female;
            this.IsFertile = true;
            this.RequiredParents = new List<Type>
            {
                typeof(Queen),
                typeof(Drone)
            };
        }
    }
}

In the Program.cs, I get the exception: System.MissingMethodException: 'Constructor on type 'Gensim.Genders.Queen' not found.'

.
.
.
IGender gender = (IGender)Activator.CreateInstance(RequiredGender);
                            IAnimal newAnimal = (IAnimal)Activator.CreateInstance(RequiredGender,
                                new object[] {
                                    animal.GetType().Name + (manager.Animals.Count - 1),
                                                                          gender,
                                                                          genCount,
                                                                          null,
                                                                          null
                                }
                                ); <--I receive the exception on this line

                            manager.Animals.Add(newAnimal);
.
.
.

Which I find odd, because an instance of the Queen class has already been instantiated, before it is passed to the CreateInstance method:

Why would I receive an error, stating that a constructor of a class cannot be found, that has already been instantiated?

How do I fix this?

I have looked at similar problems on Stack Overflow but none of the solutions have solved my problem.

Exception details:

System.MissingMethodException
  HResult=0x80131513
  Message=Constructor on type 'Gensim.Genders.Queen' not found.
  Source=System.Private.CoreLib
  StackTrace:
   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture)
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, Object[] args)
   at Gensim.Program.Main() in C:\Users\divan\source\repos\Gensim\Program.cs:line 37