9. Crossing over is the exchange of genetic material between _______. different
ID: 148170 • Letter: 9
Question
9.
Crossing over is the exchange of genetic material between _______.
different regions of the same chromatid
sister chromatids of nonhomologous chromosomes
non-sister chromatids of homologous chromosomes
homologus chromosomes of different species.
10.
Down's syndrome is also called _____.
monosomy 20.
trisomoy 21.
duplication of a single gene.
haplodiploid state.
11.
Gregor Mendel was a _____.
a scientist who cloned the first animal.
a monk who first discovered the laws of genetics.
the head of the human genome project in 2001.
a scientist who discovered the structure of DNA.
12.
Yellow and green pea seed color are examples of two different ______.
alleles
phenotypes
genotypes
traits
different regions of the same chromatid
sister chromatids of nonhomologous chromosomes
non-sister chromatids of homologous chromosomes
homologus chromosomes of different species.
10.
Down's syndrome is also called _____.
monosomy 20.
trisomoy 21.
duplication of a single gene.
haplodiploid state.
11.
Gregor Mendel was a _____.
a scientist who cloned the first animal.
a monk who first discovered the laws of genetics.
the head of the human genome project in 2001.
a scientist who discovered the structure of DNA.
12.
Yellow and green pea seed color are examples of two different ______.
alleles
phenotypes
genotypes
traits
Explanation / Answer
9.Non-sister chromatids of homologous chromosomes
10.Down syndrome - TRISOMY 21
11. Gregor Mendel was a monk who first discovered the laws of genetics
12.Yellow and green peas seed color are examples of two different PHENOTYPES
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