Question

please please please help​

Answer 1

1)In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases. The Human Genome Project estimated that humans have between 20,000 and 25,000 genes. Every person has two copies of each gene, one inherited from each parent.

2) this part is given in book clearly

3)No, there can not be heterozygous recessive state

You can't have heterozygous dominant or recessive. A genotype is either homozygous dominant (MM), homozygous recessive (mm) or heterozygous (Mm)

4)eyebrows [ thin or busshy]

lips [thick or thin]

ear lobes [attached or free]

colour of the eye [brown or blue]

hope it helps ☺️✌️