Livestock Genetics

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Total cards: 22•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (22)

Front (Question)

Chromosome

Back (Answer)

Large molecule containing DNA (made of genes)

Front (Question)

Gene

Back (Answer)

Segment of chromosome composed of DNA

Front (Question)

DNA

Back (Answer)

Two strands of sugar phosphate backbone with bridges of nitrogen base

Front (Question)

Nucleotide

Back (Answer)

Sugar, phosphate, and one of the 4 nitrogen bases

Front (Question)

Genotype can be expressed as economically important traits

Back (Answer)

TRUE

Front (Question)

What is a key principle of breeding systems?

Back (Answer)

Transmission of Traits

Front (Question)

Alleles

Back (Answer)

Alternate forms of a gene that affect the same trait (If they match at a specific location, they are homozygous)

Front (Question)

Linebreeding

Back (Answer)

Purposely

Front (Question)

Inbreeding

Back (Answer)

More direct (brother and sister)

#10

Front (Question)

Homozygous

Back (Answer)

(aa) Parents

#11

Front (Question)

Heterozygous

Back (Answer)

(Aa) Parents

#12

Front (Question)

Alleles are …

Back (Answer)

Dominant (R) or Recessive (r)

#13

Front (Question)

R (Dominant)

Back (Answer)

ex) Black coat color

#14

Front (Question)

r (recessive)

Back (Answer)

ex) red coat color

#15

Front (Question)

Back (Answer)

Homozygous dominant (black)

#16

Front (Question)

Back (Answer)

Heterozygous dominant (black)

#17

Front (Question)

Back (Answer)

Homozygous recessive (red)

#18

Front (Question)

What sex are horns (H) dominant and polled (h) are recessive?

Back (Answer)

Males

#19

Front (Question)

What sex are polled (h) dominant?

Back (Answer)

Female

#20

Front (Question)

Back (Answer)

Males

#21

Front (Question)

Back (Answer)

Females

#22

Front (Question)

X Conditions (mostly males)

Back (Answer)

red/green color blindness, hemophilia (failure of blood clot, duechene muscular dystrophy)