other terms to study (f) Flashcards

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1
Q

what are the building blocks of DNA

A

nucleotides

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2
Q

tetrads

A

group of four

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3
Q

allele

A

gene in chromosome

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4
Q

what is the style of DNA replication

A

semi conservative

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5
Q

what are the backbones of DNA held together by

A

covalent bond

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6
Q

what are base pair complements held by

A

hydrogen bond

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7
Q

incomplete dominance

A

neither allele is completely dominant or recessive

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8
Q

zygote

A

a single cell that contains genes from parents

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9
Q

chromatin

A

a combination of DNA and its histone proteins in the nucleus

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10
Q

chromosome

A

piece of chromatin that has folded many times to form a thick structure that stains dark and is visible with a light microscope

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11
Q

what is the original strand in DNA replication

A

template strand

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12
Q

independent assortnments

A

chromosomes sort independently of one another and there is no effect.

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13
Q

law of segregation

A

all cells under hormones will receive equal chromosomes

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14
Q

examples of non mendelian inheritance

A

incomplete dominance and codominance

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15
Q

Rule that polymerase follows when adding nucleotides

A

base pairing rule

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16
Q

Place blood exits the heart to travel to the body

A

aorta

17
Q

The traits that this individual would express: Aa

A

dominant

18
Q

difference between sex and body cell

A

sex cells have one set of chromosomes while body cells have two sets of chromosomes

19
Q

what is transcription?

A

massages dna and polymerase connects complementary RNA bases to DNA

20
Q

1st step of transcription

A
  1. dna is unzipped at the genes that are needed to be copied
21
Q

what is translation

A

interpreting the rna message into a protein

22
Q

1st step of translation

A
  1. codons from mRNA are ready by the ribosomes
23
Q

the force of blood pushing against the walls of the blood vessels

A

blood vessels

24
Q

one small portion of chromatin with the instructions to build one protein

A

gene

25
Q

the carbons on the nitrogen base are numbers

A

prime

26
Q

sex cells

A

organisms’s reproductive cells

27
Q

zygote

A

a single cell that contains genes from parents

28
Q

heterozygous

A

Two different alleles from particular gene or genes

29
Q

recessive trait

A

Two recessive alleles

30
Q

dominant trait

A

dominant allele

31
Q

pedigree

A

A family generation chart where you can see who has certain traits

32
Q

2nd step of transcription

A
  1. rna polymerase uses a strand of dna to watch rna nucleotide with the DNA nucleotides, this creates mRNA
33
Q

3rd step of transcription

A
  1. dna zips back together and the mrna leaves the nucleus heads back to the cytoplasm
34
Q

2nd step of translation

A
  1. tRNA brings in the amino acids that matches the mRNA codon
35
Q

3rd step of translation

A
  1. ribosomes read the mRNA in a 5’->3’ direction