What type of cell must contain a mutation for it to be passed down from women to offspring?

Which TWO examples increase salinity (salt content) in the ocean?

sergejj [24]

Answer:

The correct answer is high rates of evaporation

4 0

2 years ago

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Describe Seymour Brenner's contribution to cracking the genetic code with respect to translation.

11Alexandr11 [23.1K]

Seymour Benzer used phage T4 mutants, Experimental evidence that a gene is a linear sequence of nucleotide pairs. Some regions of chromosomes have "hot spots" for mutations. Benzer's experimental approach to fine structure mapping of the rII locus. Generated 1612 spontaneous point mutations and several deletions in rII locus identified two complementation groups, rIIA and rIIB. Mapped locations of deletions relative to each other using recombination. Mapped locations of point mutations relative to the deletions. Tested for recombination between all point mutations within the same complementation group.

7 0

3 years ago

) a $1,000 fine, and/or _____ in jail may be administered to anyone who dumps or abandon an animal off of a road.

Daniel [21]

6 months in jail is the answer

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3 years ago

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What are invertabrate group includes coral, sea anemones,and jellyfish?

ELEN [110]

The nettle animals. Corals, sea anemones and jellyfish belong to a group of animals called cnidarians (pronounced 'nid-air-e-ans'). ... With 1,048 marine species, cnidarians are one of the largest groups of invertebrates in New Zealand waters.

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3 years ago

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Explain Mendel's law of independent assortment and how the 9:3:3:1 phenotypic ratio among the F2 of a dihybrid cross provides ev

GrogVix [38]

Answer:

Explanation:

Mendel's law of independent assortment state that two different genes assort independently in gamete formation.

To reach this conclusion, one has to do a dihybrid cross. This means that two genes responsible for different traits need to be analyzed at the same time.

1) Starting with a parental generation of a cross between two pure lines (homozygous for both genes) with different traits, a plant with yellow and round seeds (YYRR) and another with green and wrinkled seeds (yyrr). The F1 will be phenotypically homogeneous (yellow and round), and genotypically heterozygous (YyRr).

2) If the individuals from the F1 are crossed with one another, we have to do a Punnett Square to determine the phenotypic ratio of the F2.

If the genes assort independently, the F1 individuals will produce their different gametes with the same probability. Each possible gamete will appear in a 1/4 proportion: YR, Yr, yR, yr.
The 9:3:3:1 ratio is a result of analyzing the possible phenotypes that result from the dihybrid cross.

See the attached image for an illustration of the crosses in each generation and the Punnett Square.

4 0

3 years ago