Inheritance

1

During fertilisation sex is determined by which of these cells?

2

The sex determining chromosomes in humans are which numbered pair?

3

What are human gametes?

4

What are the different versions of a gene called?

5

What term could be used to describe the pair of alleles HH?

6

What is the best definition of a dominant allele?

7

Which of these is a phenotype?

8

If both of the parental genotypes are heterozygous, what percentage of the offspring will be homozygous recessive?

9

If both the parental genotypes are heterozygous, what percentage of the offspring will show the dominant phenotype?

10

If the parental genotypes are heterozygous, what ratio will be shown in the genotypes of the offspring?