• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/13

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

13 Cards in this Set

  • Front
  • Back

What does Dna Stand for?

Deoxyribonucleic Acid

Who are the 3 main scientists who found DNA?

James Watson, Francis Crick, Rosalind Franklin

What is a nucleotide?

Nucleotides see molecules that make up DNA.

What 3 parts are nucleotides made out of?

Phosphate group, sugar, and one of four


nitrogen rich bases.

What are the 4 bases?

Adenine, Guanine, Cytosine, Thymine

What are each of the bases complementary pair?

Cytosine and Guanine, Adenine and Thymine

What are genes?

Genes are sections of DNA. DIfferent genes have different lengths and orders of bases

How many chromosomes are in human body cells?

46 (23 each pair)

What is a gamete?

Sex cell.

How many chromosomes did you inherit from your mother and father?

23. Half number of chromosomes (haploid).

How many pairs of homologous chromosomes does a human have? How many of these are sex chromosomes?

Humana have 22 homologous chromosomes and 2 sex chromosomes.

What is meant by the term heterozygous?

If an individual has different alleles, they are heterozygous for that allele.

What is an allele?

Different diversions of a gene that code for different versions of characteristics.