Biology DNA quiz

what does DNA stand for?

Deoxyribo Nucleic Acid

where is dna acid found?

It is found in all cells and it’s packed tightly within the chromosomes within the nucleus

what happens when there are more dramatic changes in a DNA mutation

The mutation becomes more serious and could be more problematic

what are the four acids in a DNA row?

ATGC

what does the A stand for in ATGC?

Adenine

what is the G stand for in a AGTC

Guanine

what does C stand for in AGTC?

cytosine

what does T stand for in AGTC?

Thymine

which letter pairs with A in AGTC mutation

T

which letter pairs with T in AGTC mutation

A

which letter pairs with G in AGTC mutation

C

which letter pairs with C in AGTC mutation

G

what are the sides of the DNA ladder made up above?

Phosphate and sugar

what holds together the DNA ladder sides?

Hydrogen bonds

what is the nucleotide made up of?

• Phosphate

• Deoxyribose

• base

What is Base made up of?

• Adenine

• Guanine

• Thymine

• Cytosine

What is Deoxyribose made up of?

Sugar

What are genes?

segments of DNA code for traits

what does DNA nicknamed?

The blueprint of life

What would the dominant gene be in BB?

Black

what would be the dominant gene in bb?

white would be dominant and black would be recessive

In Bb which gene is recessive and dominant?

the black is is dominant and white is recessive

what’s an allele

specific variation of a gene for example, blue eye allele

dominant allele is a

The strong allele and it always shows up if it’s present and is represented by a capital letter

recessive allele

It is the hidden allele, and it only shows up if the dominant allele is completely missing and is represented by lowercase letter

what is a genotype?

is the genetic code Inside the organisms DNA, for example

• AA

• Aa

• aa

what is a phenotype?

The physical look or trait, you can see with your eyes for example green eyes

DNA is made up of

repeating subunits called nucleotides