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6. You can also make clones from tiny pieces of plant grown in special jelly. What is the name of this jelly?

  • Fat
  • Agar
  • Amylase

7. Name the female gamete in animals-

  • Germ Cell
  • Egg Cell/Ova
  • Sperm Cell

8. A male embryo's testes develop when it's approximately six weeks old. What gene is this caused by?

  • MYH7
  • SRY gene
  • HFE
  • Myc

9. How many chromosomes in the sperm cell?

  • 21
  • 23
  • 46
  • 32

10. What are hormones?

  • Chemicals that control many processes in the cells.
  • Chemicals that control a few processes in the cells.

11. Are Identical twins clones?

  • Yes
  • No

12. How many copies of a dominant allele in order to have that trait/feature?

  • 1
  • 2
  • 4

13. If both of the inherited alleles are the same you are---------for that characteristic.

  • Homozygous
  • Heterozygous

14. How many chromosomes in one cell?

  • 64
  • 46
  • 23
  • 32

15. How may chromosomes in the egg cell/ova?

  • 21
  • 32
  • 23
  • 46

16. What two things are your features affected by?

  • Genetics and Chromosomes
  • Mother's genes and Father's genes
  • Environmental factors and features inherited from your parents
  • Environment and what you eat

17. Humans have about 23000 genes. Each gene has different alleles.

  • True
  • False

18. What is an inherited disorder?

  • A disorder passed down from parents to offspring.
  • A disorder formed after catching a virus.
  • Something that you can catch.

19. What are chromosomes made out of?

  • Long molecules of deoxyribonucleic acid
  • long strands of Structural Proteins
  • Short molecules of DNA

20. Genes are found in...

  • a section of a DNA molecule found in Chromosomes
  • a section of DNA in alleles
  • In chromosomes in the cytoplasm of an animal cell