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Aleksandr-060686 [28]
3 years ago
6

Milk production

Biology
2 answers:
navik [9.2K]3 years ago
5 0
The right option is A)the milk production is positively regulated by PROLACTIN
Nitella [24]3 years ago
3 0
Milk production is positively regulated by prolactin.
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The _[blank]_ is the zone where no sunlight penetrates the water.
Svetradugi [14.3K]

Answer: <u>Aphotic</u><u> </u><u>zone</u>

less than 1% of sunlight penetrates the depths of the waters in the Aphotic zone

8 0
3 years ago
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n cattle, an autosomal mutation called Dexter produces calves with short stature and short limbs. Embryos that are homozygous fo
timofeeve [1]

Answer:

1 DDRR - Red, non-dexter

2 DDRr - Roan, non-dexter

2 DdRR - Red, dexter

4 DdRr - Roan, dexter

1 DDrr - white, non-dexter

2 Ddrr - white, dexter

Explanation:

Dexter is deleterious in homozygous condition, hence, phenotypes are heterozygous.

Roan are also heterozygous.

If dexter allele is represented by D, non dexter individuals will be DD dexter individuals will have the genotype Dd.

If colour in cattle is represented by R, red individuals will be RR, white will be rr, then roan colour will be Rr.

Hence, roan dexter cow and roan dexter bull will both have DdRr genotypes.

Crossing the two:    DdRr   x   DdRr

Progeny:

1 DDRR - Red, non-dexter

2 DDRr - Roan, non-dexter

2 DdRR - Red, dexter

4 DdRr - Roan, dexter

1 DDrr - white, non-dexter

2 Ddrr - white, dexter

<em>Others that are either aborted or stillbirths include:</em>

<em>1 ddRR </em>

<em>2 ddRr </em>

<em>1 ddrr</em>

5 0
3 years ago
What factors contribute to proteome diversity?
romanna [79]

Answer:

Post-translational modification, alternative splicing, DNA mutations

Explanation:

The diversity of the proteome can occur at different levels of biological processes:

1. During DNA replication yielding DNA mutations.

2. At the mRNA level in Alternative Splicing.

3. After translation on amino acid molecules including addition of different types of sugars (Glycosylation). This is post-translational modification.

6 0
3 years ago
Which are segments of DNA that code for specific traits?
Alex787 [66]
The answer should be Genes
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2 years ago
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What does age structure show? Why is this information helpful to a demographer?
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it's a summary of the number of individuals of each age in the population. Age structure is useful in understanding and predicting population growth. An understanding of population age structure is critically important to industries that harvest living organisms.

hope that i helped :)

4 0
3 years ago
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