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Dimas [21]
3 years ago
9

Which organism has lungs? frog insect fish jellyfish

Biology
1 answer:
Alona [7]3 years ago
6 0
Frog



Ignore this it making me doing this
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Two different groups of scientists studying a rare trait in ground squirrels report very different heritabilities. What factors
iren2701 [21]

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It is a trait highly influenced by environmental factors (i.e., it has low heritability)

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In population genetics, heritability is a statistical measure to estimate the proportion of the phenotype variation of a given trait which can be explained by hereditable genetic factors. The heritability of a trait is influenced by environmental factors, genetic factors (e.g., allele frequencies, number of genes involved in trait variation, recombination rate, etc), and the interaction between genetic and environmental factors. A low heritability value suggests that most of the variation is not genetic (i.e., due to environmental factors), while a high heritability value suggests that almost all of the variability in a trait is due to genetic factors.

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3 years ago
Hemophilia is caused by several genetic factors; one, a recessive allele of an x- linked gene, is the subject of this problem. a
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First off, XhY means hemophilia for a male. The father has hemophilia, making him XhY. The mother doesn't have it, but must be a carrier because her father had it. This makes her XHXh.
Sons only receive a Y from their father, and either X from their mother. So theirs sons will either be XHY (normal) or XhY (hemophiliac).
8 0
3 years ago
Read 2 more answers
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